Truck won't start
sounds like starter
What about the starter. You would think, if it was the starter, it wouldn't start after many attempts. It did and then ran perfectly. Need more solutions
Your starter should be good. A faulty starter will not cause both issues. I would look at the ignition switch in the column, they fail from time to time. You can test both the crank lead to the starter and the hot wire to the coil with a multimeter or test light to confirm. Because it works intermittently I would think it's the contacts on your ignition switch, on top of the steering column behind the dash. The key operates it with a small rod.
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Got in my truck today at 2 different times. Both times it started right up. I can't figure out the problem. What can be the issue?
I'm having the same problem with my 1988 GMC 1500 I was told its the starter I'm going to replace it I guess that will determine if its the starter ornot just wwish I had a for sure wayof knowing
Having same issue. Changed out starter two days ago. Still is a hard start. Sometimes I need starter fluid
Mine does same thing 1995 gmc 1500
You definitely need to check voltage readings and make sure you don't have a bad block make sure you clean every part under the hood you can. If it has a computer plug go tow it or buy one online. Check exhaust as well.
I cant get mine to start change fuel pump and still wont start please soneone help me with this
Same thing was happening to my 1995 gmc 1500. I figured out that it was the throttle body going bad. I replaced the throttle body with a good used one and now my truck runs fine.
I am having similar problem, mine turns over, no fuel coming out of injectors, sometimes it does sometimes it does, when it does it runs fine but if you turn it off, chances are that it won't work again. I replaced the fuel pump, ecm, distributor, throttle body and injectors, still same issue. Could it be in the ignition key? The key is worn down and little flecks of metal come out of the key hole when you tap the column. Does the key ignition have anything to do with power to the injectors?
starter is missing heat shield . starter gets hot and swells up because its too close to exhaust manifold
Check wires, cap, plugs. No fuel or no spark stops all engines. No fuel/ bad pump, bad filter. Spark/ old bad wires, plugs, cap etc. Having same issue, 94 gmc Sierra. Happened before, I gave it air, it started, thought bad filters, then noticed no umph in acceleration, leads me fuel line or bad plugs, not burning fuel. Checked carb, It's not wet this time, leads me to fuel. Have very old wires etc too, seems to stop while turning over, as if it hits a bad plug, some discontinuance.
I had a similar issue with a 99 GMC suburban. The engine would crank but would not start. Before it got to that point it would run rough in the rain. SOLUTION. I rubbed of the deposit built up on the contacts of the distributor cap with my finger nails to prevent damage. Then I used a hair blower for 3 min on the cap and rotor. Assembled the cap/rotor and it fired right up! Turns out moisture was getting into my cap n rotor, plus at 4 years old it was time for a new cap & rotor.
Jbird 163 just tap the starter its finna go but wen u tap it it will loosen the gears in it
It's not the starter if it starts sometimes. I've fixed this issue several times myself and it's almost always the connection of the wire between the starter and the battery. Check the wire on the positive battery side post. Unscrew the post, clean it with sandpaper, reattach and make sure the screw is tight. Failing that, use a multimeter to test that the voltage coming through that wire is 12 volts. If those don't work, then it could the be the ignition as said in other reply. Also, it's not the neutral switch, fuel pump, exhaust or anything else past the battery if there's no crank.
I have a 2000 Gmc Yukon denali, 5.7 litter, it cranks but won't start it does have spark in coil, but No spark in #1 sparplug I put new distributor and new coil new sparplugs, new plug wires,checked out fuses there all good, does anyone know if it can be the Timming belt? By the Timming being off cause it not to spark?? Anyone? I would highly appreciate the help
jalcantar69 If your timing belt is broken ..no cam action...no cam action...no valve train...no valve train... no start. Pull a spark plug and have someone turn the engine over...you will hear air being forced out of the spark plug hole if the valve train is spinning. Another way would be to pull the cap off the distributor and see if the rotor spins while cranking. The distributor is driven off of a gear on the cam...no cam spin... no distributor spin... no start...
@Jbird163 Original poster. Jaybird stated very clearly that his 1988 GMC Sierra 1500 turns over perfectly, crank no start...so this is not a starter motor problem...which would be described as a no crank situation. This is an intermittent fuel delivery problem or an intermittent electrical connection problem or possible engine management component intermittent Jbird163 ...you mentioned your battery dropped to 9 volts after several attempts to start. Was your battery back to 12.6 volts after driving home? Test fuel pressure - Gauge required. Test the EEC - autoecmecu.com Check the electronic spark control module, the ignition control module and all related connections.
I have a ? I just replaced my starter on my 93 chevy silverado 2wd 5.0 350....and it turns on but when i turn it on it makes a scratchy sound once i turn it on can anyone help me?
Replace my steering wheel colum but truck won't start
I had a 1984 GMC Sierra 1500 with an intermittent "Cranks over no start condition" very similar to @jbird163. The intermittent no start component failure was traced to the ignition control module located in the base of the distributor. Yes this electronic module can provide intermittent operation. To test for this failure without throwing new parts at your vehicle you need to perform several tests. Find the procedure here: http://troubleshootmyvehicle.com/gm/4.3L-5.0L-5.7L/how-to-troubleshoot-a-no-start-1 Once you eliminate fuel delivery, ignition coil, distributor cap, leads, plugs and pick up coil you are left with the ignition module as the culprit. You cannot test the module directly but only through a process of elimination of the ignition system components. PS: If your vehicle has not had a basic ignition system tune up in a long while check the resistance of the HEI ignition leads. Very high spark plug wire resistance from worn out leads can stress the ignition module to a point of failure. Always be sure when testing for spark that it has someplace to go...an HEI spark plug tester is preferable to trying to jump a spark across a wide gap.
I am having the same problem with my 1977 GMC Grand Sierra it ran great today and I parked it in my driveway came back to put it into the garage and I turn it over and it made no sound at all my battery is fine the headlights were working fine and the radio I'm wondering if mine is the starter as well
BWTKS - Your GMC is not turning over? This condition is known as a "No Crank" which basically means the starter motor is not spinning the engine when you turn the key to the ignition's start position. Your battery may seem fine because the lights work...ect...but that doesn't confirm the battery is delivering enough amps to turn over the engine. Clean and tighten your battery terminals. Load test the battery or have it tested at your local garage. Try lightly tapping the body of the starter motor with a hammer. (Sometimes as the tolerances within the starter get a little sloppy and it causes the armature to bind.) It is helpful to have an assistant turning the key while tapping. You can also measure for voltage at the starter with a multi- meter to confirm that the starter is receiving some battery current. This will confirm that the wiring is delivering some battery power. Lastly you can try bridging the starters heavy terminal to the smaller terminal while the ignition is in the "Run" position. This by passes the ignitions start contacts which may be worn. If none of the above steps engages the starter..it most likely needs to be replaced.
I have a k3500 4x4 carbed.It will run like a sewing machine and then without warning just shut off..no crank,no pw .but have all lights horn etc.. Thus far i have checked the starter All wires going to the starter for OHMs all within spec Battery and the rest of the chareging system got it down to where i thought it could be nothing else the ign switch on the columns NOT the key and tumbler After the switch was installed ran great ( but it always ran great) started right up.went to do something backing out of the parking spot and dead..no click..no nothing. Any ideas would be great,i just dont trust the ol' girl anymore.
RE- K3500 What year is your vehicle? OBDII? Any fault codes? You may have a bad ground, short to ground or a loose connector causing problems. Do a visual inspection of ALL the wiring harnesses... looking for bare or burnt spots and loose connectors (starting with the ignition switch connector(s). Check the battery ground to chassis/block and all other grounding straps you can locate. . If the visual inspection doesn't turn up any obvious problems and you can get the K started... flex the harnesses trying to get the engine to stall. If you can't mimic the fault while idling in park, a wiring schematic for your specific truck will identify the suspect ignition wiring for the under-hood fuse/relay center (starter relay) and motor, harness connectors and ground positions. PS: The lights and horn get power directly from the fuse block and are not switched...they are always hot.
I also have same like problem, have 85 GMC C1500 305. starts,,, runs,,,, went to walmart other day about 5 miles, pulled in parking lot it shut off, wouldn't start again, waited about 2-3 hrs later it started ran back home about 5 miles ran fine..Today it did same thing again, just turns off like ya turn key off. no missing, no running rough, just shuts off whenever it wants. have checked distributor, button, cap, rotor was replaced, still same thing. any ideas what else to check? Thanks
RE - Phil_613 If a vehicle has spark, compression and fuel it will run. We know you have fuel and compression as your engine did run, crank and start (when it was cold) but dies without warning (like running out of fuel -stumbling) Did it start right back up today? or did you have to wait for the engine to cool down? Does your motor fail to crank over? or does it crank over fine but fail to start? Check the engine to frame and battery grounds for tight clean connections, battery positive terminal, starter motor wiring and harness connectors for good contact. The ignition switch (located on the steering column under the dash) could also cause a temporary loss of power. I have had mid eighties GMC trucks that run, are turned off and then when the owner returns a few minutes later the engine cranks but will not start, but this symptom has never been reported to kill an engine while driving down the road. So basically I would look for loose, corroded connections, I would look at the wiring harness for any signs of over heating and I would check the ignition switch. Let us all know how you make out.
I have a 1992 GMC Sierra 5.7 that will not start. If I dump a little gas down the throttle body it will start and run fine. I replaced the Ignition control module today and it did not help. Any Ideas??
Hello ckeipper...There is an adapter to connect a fuel line pressure test gauge to the fuel delivery line. You need to see 12 PSI More info at the link below: http://troubleshootmyvehicle.com/gm/4.3L-5.0L-5.7L/fuel-pump-test-1
I have a 1992 GMC Sierra with a 5.7 litter. Battery is new, plugs and wires are new, alternator is also new. It has recently started the cranking intermittently thing. When it does crank, it runs great. This is the second time that it has not cranked for me. It may be pure coincidence, however, it has been on about 1/4 of a tank of gas both times. Any suggestions?
Hello HotRodGMC, If I understand this correctly, your truck will occasionally not turn over..."No Crank" Turn the key and nothing happens. If this describes the intermittent problem you are encountering I would look at the ignition switch (located on the steering column not in the actual lock cylinder) and if your truck is a manual transmission, the safety start switch located above the clutch pedal linkage. The safety start switch prevents starting while the tranny is in gear. Unless the clutch pedal is depressed the vehicle will not turn over. The ignition switch is controlled by a rod actuated by turning the ignition key which can require adjustment or replacement. Let us know how you make out with your efforts.
I'm working on a 1998 Chevy pu put a new motor in it.... went to turn it over to bring #1piston up to tdc. It wouldn't turn over... found the ground wire on right side motor under alt. Unhooked... grounded it and it works great
I have a88 silverado with 350 AT has TBI the injectors will not fire. We have replaced the fuel pump with an ACDelco unit have 12PSI pressure new fuel filter. The pump will come on for the 2sec run then quit. we have spark at the plugs (have tested several different ones on both banks, have 12 volts at injectors and pump with key on. The SnapOn scanner is showing no codes. The first try after the new pump the injectors did well and ran for about a min then it was as if some turned the key off. Distributor wires and plugs are new. if we put a little pit of gas in the TBI it will run. We have checked the pump and lines out and they are clear. I plan on using a Noid today and I even tapped the ECM to see if that would help. Any other ideals?
Hello wro87 Your throttle body is controlled by your vehicles ECM (computer), using a coolant sensor, TPS (Throttle Position Sensor) MAP (Manifold Absolute Pressure) sensor, and heated Oxygen sensor for input information. OBD I Codes 1988 -1995 GMC Trucks 13 - O2 (oxygen sensor) circuit open 21 - TPS (throttle position sensor) circuit high (signal voltage high) 22 - TPS (throttle position sensor) circuit low (signal voltage low) 33 - MAP (manifold absolute pressure) sensor circuit high (low vacuum) 34 - MAP (manifold absolute pressure) sensor circuit low (high vacuum) 53 - System voltage high (supply to ECM/PCM) 55 - ECM/PCM error A failure of any of the above components would result in a code. Check the fuel pump relay and your under hood fuse block (Pin A3 GRY Wire) which is the fuel pump motor feed. As you have had some success when priming the TB... a bad fuel pump wiring connection or unseated fuel pump relay is suspect. Let us know know how you make out...
1994 GMC Sierra no crank issue. I have replaced ignition switch, neutral safety switch, starter and solenoid, currently have starter wired to crank with direct wire from starter. All fiseable links look good. All fuses look good. The key worked like a charm then stopped no intermittent failure just tried to go to work and no go. I've been all under the dash everything has continuity. Also radio dome lights and work lights are all out. Replaced headlight switch. Other than that it runs like a top I drive it every day but it would be nice to crank up without popping the hood. Any help would be appreciated
Did u get it fixed similar problem here too
Jackdo, After I put a little gas down the throttle body I can drive it all day. It is just not producing fuel while it is cranking over.
Hello Cliff, What do you see with a fuel pressure gauge hooked up to the TBI fuel inlet line with the ignition on? While cranking?
The starter relate get loose in the positive wire and the connection in top of the steering wheel get loose to
I have a 20 14 Chevy Silverado you can get it in the morning and try to start it you do it about 4 times it's like that battery dEads hit a 5 time and it will start right up
Hello Bigphilip, When you try to start the truck does the motor crank over and not start...or does the motor not crank over at all? There are different solutions for these two types of a no start condition. If the motor cranks over but the engine will not fire you need to check for ignition spark and fuel line pressure while cranking the engine over. If nothing happens when you turn the key...make sure all battery and starter motor connections are clean and tight. If you have a standard transmission that requires the clutch pedal to be depressed to start the engine check the safety switch located above the clutch pedal and also the ignition switch located on the steering column.
I have 98 MC Sierra that will not crank sometimes actually ore then others. It will crank seem like it start to run then shuts off. Has done this for more then a year had to buy a beater cause I couldn't rely on it. I have left it at shops and no luck. Still making payments on it someone please shed some light.
Hello Guru9TDR4, When you say that sometimes your Sierra will crank over and starts then quits, and other times it will not crank over...does that mean nothing happens sometimes? ...no sounds..no starter noises...just turn the key and nothing happens? Does your vehicle have an automatic transmission or is it a standard? The standard transmission has a clutch safety switch to prevent the vehicle starting in gear...which describes your problem. You may also be experiencing a starter relay fault or a bad wiring connection fault or an ignition switch (located on the steering column, not in the column head.) fault. As your problem is known as an intermittent failure you will have to check all of the above noted potential causes. Start with checking your battery connections..clean and tight. Check for voltage at the starter motor while attempting to crank the engine over...you will need an assistance to turn the key while you measure for 12 volts. If you have no voltage at the starter , move to the relay and then to the ignition switch and safety switch. Let us know how your making out.
First, you must determine why it won't start. Fuel plus spark equals start. if it will not start it is because one of those are missing from the equation. Find out which one it is. If it is not getting fuel then check fuel pump fuse,fuel filter, and fuel pressure. If it is not getting spark check all fuses dealing with ignition and if they are good then inspect the distributor cap and rotor,have ignition module tested/check ignition coil(right in front of distributor), and if they are good then it is most likely the pick up coil in the distributor. You can pull the distributor and change it, or just change the whole distributor as they are pretty affordable for this year model.
It can be very frustrating when a vehicle won’t start. There are many different issues that can cause the problem. This article is written with the assumption that you are looking for a way to get your GMC Sierra started now, and is meant to provide you with practical advice to help aid in the diagnosis.
There are really two main ways that a vehicle will not start. The first and most common is when it won’t turn over. This just means that the engine doesn’t move when you turn the key. The second way that your Sierra won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own. When the engine isn’t turning over at all, that’s a bit easier to diagnose than when it is cranking but not firing. Just use the jump list below to move to your particular situation.
Engine Not Cranking – Won’t Start
Engine Cranking – Won’t Start
GMC Sierra Won’t Start: Not Cranking
There can be many reasons why your Sierra won’t start. But, there are less things to troubleshoot than if it were cranking but will not start. Here are some of the most common issues that cause a vehicle to not crank:
1. Battery Cables
While the battery cables are not necessarily the most likely issue to cause your Sierra to not start, they are some of the easiest to diagnose. You can take a look at the battery poles where the cables connect. If there appears to be green or white corrosion all around it, cleaning them may help get you back on the road.
Here’s a good article from Napa on how to clean a battery terminal properly.
2. Battery Charge
If your battery no longer has enough charge to turn the starter, your Sierra will not start. As a battery ages, it’s “cranking amps” decrease, leaving it with a diminished capacity for starting the vehicle.
When this happens, you’ll often hear the vehicle crank slowly, but not start.
You can take your battery up to the local parts store, or even Wal-Mart, and have it tested to see if it is still holding a charge.
- Battery is Dead– If it’s dead, but charges back up and tests “good”, it would be time to check the battery terminals or have the alternator tested and see if it is properly charging the battery.
- Battery is Charged– If the battery is charged, then it would still be advisable to take a look at the battery cables and see if there is an issue with corrosion. Otherwise, it may be the starter that you need to look at.
A bad alternator can cause your battery to lose enough charge to start your Sierra. It may have had enough energy to get you home, but when you go to start the vehicle, there’s not enough stored energy for the engine to turn over.
The next thing to look at when your Sierra isn’t starting would be the starter itself. When the starter isn’t functioning, it is impossible to start the vehicle (unless it’s a manual, then you can pop start it).
If you’ve determined that a fully charged battery without corroded cable is the culprit, then it’s time to question whether or not you need a new starter. When a starter goes bad, they will usually not give you much warning first. Also, if you are stuck somewhere and are trying to start your Sierra, the old beat the starter with a hammer trick is not a wives tale. It really can get that one last start out of it.
GMC Sierra: Engine Cranks → Won’t Start
There are a lot of issues that can cause your Sierra to crank, but not start. The engine needs air, fuel, and a spark in order to run.
It is highly likely that if the engine is cranking, but not starting that it has thrown an OBDII code. It is definitely worth it to use an OBDII scanner to check and see if the engine has thrown any trouble codes. It is highly likely that if your Sierra won’t start that there will be codes. These codes will tell you what the computer is saying is wrong with your engine.
By looking them up on this site, or just Googling them in general will lead you to a detailed diagnosis of that code. Hopefully, once the code has been addressed your Sierra’s engine will start again.
1. Fuel Issues
If your Sierra isn’t getting enough fuel, or any fuel at all, it may have a bad fuel filter, bad fuel pump, or bad fuel injectors. Without the proper amount of fuel getting into the combustion chamber, the Sierra will crank, but not start.
2. Ignition Issues
One of the biggest issues that causes a vehicle to crank but not start is ignition issues. When there is no spark, the engine will not start. You’ll probably have a misfire related code such as P0300, P0301, etc…..
Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more.
3. Engine Timing
If the engine’s ability to fire the spark plug at the right time is called “timing”. If the plugs are firing at the wrong time, or something has happened to cause the camshaft to no longer be in sync with the crankshaft, your Sierra won’t start.
There will usually be OBDII codes associated with timing related problems, but not always. P0013 is a common camshaft position related code. The crankshaft sensor can go bad as well. When these sensors go bad, it can be impossible for your Sierra to start.
Most modern vehicles come with smart keys that have electronic protection built in. This makes it more challenging for thieves to steal them. There are occasions where this security system will cause the Sierra to not start. You’ll see a security warning when trying to crank the engine though.
5. Other Issues
There are a lot of issues that can cause your Sierra to not start. That’s why it is so important to check everything. Here’s a great diagnostic chart that covers many different variables.
Conclusion: GMC Sierra Not Starting
There are many reasons that your Sierra may not start. Tracking them down can be downright challenging. With enough time and patience, you can diagnose exactly what is wrong. Good luck with the diagnosis. If there is anything that you would like to add, please leave a comment below. Thank you.
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Starter Problems of GMC Sierra 1500
1 Starter problem of the 2005 GMC Sierra 1500
Failure Date: 09/09/2020
Started my truck and the failure electrical system came across I pushed in the botton that changes it and came back on then it said tighten fuel cap washer fluid low I hit the button again it went of but battery light stayed on and gauge read about 10 volts. My truck ran fine and started when I got to my first then at the second stop it said the same , I put in reverse backed out put it drive and the cluster quick working the ac quit you could roll the windows down nor did the locks work and it did not any power when pushed down the gas ped2 to come up a hill it felt like it shifted when you let off the pedal you could feel jerk, go home turned it and would not start or make any sound not even the clicking on the starter, so I left home and came back about 4 hours later and it started but the volt read about 10 volts. I had the battery tested and it test good. This was on September 9, 2020 I have put the battery back in yet.
See all problems of the 2005 GMC Sierra 1500 🔎.
2 Starter problem of the 2005 GMC Sierra 1500
Failure Date: 11/11/2017
The contact owns a 2005 GMC Sierra 1500. The contact noticed severe rust to the subframe of the vehicle. The contact stated that the rear suspension, front suspension, and starter support showed excessive rust. Additionally, the shock tower, supports, transmission bolts, four wheel drive actuator, and hardware also showed excessive rust. The contact also stated that the horn also failed to operate intermittently. Beckley auto mall (3934 robert c byrd dr, beckley, wv 25801, (304) 252-3300) stated that there was no recall associated with the VIN. The vehicle was repaired for several failures; however, the rust issue was not addressed. The manufacturer was notified of the failures. The approximate failure mileage was 96,000.
3 Starter problem of the 2015 GMC Sierra 1500
Failure Date: 08/20/2015
Headlights are very poor (when wet road or in town) cannot tell they burning. . . I have 20/20 vision. . . . . . On slow down does not down shift. . . . Cannot accelerate. . . . The starter hangs up on start as if does not fire or no fuel pump.
See all problems of the 2015 GMC Sierra 1500 🔎.
4 Starter problem of the 2005 GMC Sierra 1500
Failure Date: 11/05/2014
November 5, 2014: turn key and symptom of a dead battery. Starter clicks once. No lights will work at all. Took battery out, charged it overnight, and had it tested. Test reveals battery is good (should start vehicle) but weak (needs a charge). Put battery back in, connected it, put key in, turned it, and vehicle started easily. . . . . . . . . . . . . . Nov. 15, 2014: turn key but, electrical system is completely dead. Then, take key out for five minutes, put back in, and starts right up like nothing wrong.
5 Starter problem of the 2001 GMC Sierra 1500
Failure Date: 03/15/2009
It started with the fuel gauge fluctuating between full and empty with a full tank of gas and the abs and brake light on dash lighting up for apparently no reason. Then it started giving me trouble starting and making a weird whining noise. I checked all the fluid levels and fuses, everything was ok. I was at the camp(middle of nowhere) at night when I noticed that there were sparks coming from around the area of the starter when my husband tried to start it. (it just happened to be dark and I was sitting with a view of the right wheel well) I checked the wires and found what might have been a break in the insulation, taped it and the sparks quit. Had no choice but to drive it home the next day as there was no phone service. Started right up , and drove fine, except for the low whinny noise that no one could pinpoint. I was almost home when the transmission started to slip. I brought it to our mechanic who replaced the transmission but none of us can figure out what the devil is causing the electrical problems. Before the transmission went out the tow/ haul button didn't do any thing, now the light actually comes on-when it feels like it,but I can't get it to go off. The gas gauge is still acting nuts and the abs and brake light still come and go. Please post instructions for troubleshooting this thing!.
See all problems of the 2001 GMC Sierra 1500 🔎.
Other Common Electrical System related problems of GMC Sierra 1500
No start No crank
Make sure battery has a full charge and battery cables/wires all ok, on both ends, not just at the battery. Make sure tranny is in park or neutral and parking brake is set. With intermittent issues, you have to test when problem is ongoing. I can only help with testing. When starter won't crank, pull the starter relay in underhood fuse block. Terminal 30 is hot all the time. Use proper jumper wire between terminal 30 and terminal 87, the starter motor should crank the engine. Again, make sure tranny is out of gear and parking brake is set. If it cranks then hopefully the starter motor is ok. That might show the problem is on the control side of relay. I'm not saying the relay is faulty. The crank fuse should be hot with key in the crank position, you can use a test lite and check that. I could go on, but, you need to do some testing. Intermittent issues can be a pain to track. I don't know what testing your mechanic performed. Unless the mechanic can get the vehicle to act up when he is testing, he won't find anything. I couldn't either.
Problems gmc starter
.Starter Solenoid Test - Clicking Sound When Trying To Start..?
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