What causes a Chevy Silverado to start without turning the engine?

A fuel delivery problem is usually caused by a clogged fuel filter, no fuel in the tank or a faulty fuel pump. A starter that spins without turning the engine is caused by the starter gear failing to engage the engine’s flywheel.

What’s the name of the truck that won’t start?

I recently bought a 2000 Silverado 1500 5.3 V8, Everything was fine up until the last couple of weeks. The truck wont start unless i press on the gas pedal as I turn the key, even then it still shuts off every once in a while while I’m idling whether at a stop light in drive, or in a parking lot in park.

Why does my Chevy Silverado have no spark?

Common causes for no spark are a weak battery, indicated by a slow-turning starter, a faulty ignition coil or a wet ignition system. Less common problems are faulty sparkplugs, broken or disconnected coil wires or broken wires in the ignition system.

What to do when your car won’t start?

Insert the alligator clips into the right jacks on DMM and set the range to 20k ohm. With three wires connected to throttle body, attach the test lead to the center wire and other lead to the ground connector or +12V input wire. Now, slowly move the throttle full range movement from the closed to full-open position.

Why does my car not start when I crank the engine?

If the engine doesn’t crank, or makes an unusual noise when cranking, you may have a starting system problem. The car’s security system may have made an error that disabled the fuel or ignition system, or the chip in the key may have failed.

What to look for when your engine won’t start?

Check for a blown fuse that may be preventing a circuit from working properly, like the fuel injection or computer system. To operate efficiently, an internal combustion gasoline engine needs a good spark, the right amount of fuel, and good compression (a healthy mechanical condition).

What kind of Chevy truck won’t start?

In this video we encounter a condition where a 2002 Chevy Silverado ( Similar to GMC Sierra ) pickup has a symptom of the engine cranks over but won’t start…. In this video we encounter a condition where a 2002 Chevy Silverado ( Similar to GMC Sierra ) pickup has a symptom of the engine cranks over but won’t start….

Why is the engine cranking but not starting?

I borrowed a Noid Lite Set from AutoZone and checked the wires to three of the injectors—the light flashed on all three while I cranked the engine. So, the ECM is sending power to these injectors, and I assume to the others as well.

Why does my GMC Sierra engine not start?

It seems this can also be caused by faulty APP (Accelerator Pedal Position) sensor. First I would check the INJ1 and INJ2 fuses in the under the hood fuse box.

(I also sprayed fogging oil into the cylinders, turned the engine over by hand, replaced the spark plugs with new ones, replaced spark plug wires, changed the oil and filter, and replaced the battery.) When I first tried to start the engine it ran for maybe two or three seconds and then died.

What’s the problem with my 1997 Chevy Silverado?

I have a 1997 chevy 1500 siverado with a 5.7 vortec that has been having a problem for about 6 months now. The truck starts, idles, and revs normally and when accellarating slowly everything works just fine, but once you get past half throttle it falls on its face and acts like it has a clogged fuel filter or bad fuel pump.

Why does my Silverado go slower past half Trottle?

The truck starts, idles, and revs normally and when accellarating slowly everything works just fine, but once you get past half throttle it falls on its face and acts like it has a clogged fuel filter or bad fuel pump. It actually goes slower than below half throttle. The bogging gets consistently worse the more throttle you give it.

What to do if your Silverado is bogging down?

EGR or fuel restriction. Check to see if carbon canister has been flooded with fuel. This will keep gas tank from breathing properly… Check the ignition timing. Change the fuel filter. Change the plugs, plug wires, disributor and rotor button. Do a system analisis to see if one or more of the half dozen or so sensors is bad.

What kind of fuel pump does a Chevy Silverado need?

It turned out the pump I put in was for a 96 C1500, which has a throttle body system and the pump only produced 20-30psi. The Fuel injection in the Silverado needs 55-65psi. Be very careful you didn’t put the wrong fuel pump in!!

What to do if your engine won’t start?

If in doubt about engine mechanical condition perform an engine compression test. Engines with under 350 PSI of compression per cylinder will have difficulty starting. This test will only be necessary in a minority of cases. To run an engine must also breathe.

What causes a car to start at the wrong time?

Spark plug wires are a source of electromagnetic interference (EMF), but this is usually only a problem on some aftermarket setups when this interference isn’t taken into account. A timing belt or chain that has skipped a tooth will throw off the cam timing, causing the intake and/or exhaust valves to open at the wrong time.

Can a car start and die at the same time?

You’ll hear the engine turning and everything will seem fine. However, there may come a point in time when your car will actually start but then die almost immediately afterward. There is never a convenient time for your car to suddenly quit working on you when you have somewhere to go.

Why does my 2000 Chevy Silverado not start?

Question: My 2000 Chevy Silverado that will not start unless i pour gas in the throttle body. It has been sitting for about 8 months and prior to that there was no problems at all. I have good fuel pressure with no bleed down. Answer: Does it start after pouring gas in throttle and keep running fine? What is the fuel pressure?

What should I do if my Silverado engine dies?

Update as of today: 1) the truck hasn’t started and kept running since last week. It only starts right up, then dies immediately. 2) I got a fuel pressure tester and the pressure is at 53 with key on, and maintains pressure when it starts (then dies).

What causes a car to start and then die?

But if there is a fuel leak somewhere, then the proper amount of fuel won’t be able to make it to the combustion chamber. This might cause the engine to still start, but it won’t be able to keep it running. That is why it will die almost immediately after it starts.

What should I do if my Chevy Silverado starts and shuts off?

Borrow a fuel pressure tester from a parts store or buy the $20 Harbor Freight unit (which works great). GM’s Passlock/VATS anti-theft system does not let it run for 5-10 seconds; it starts and immediately stalls. It works the same on new and old GMs alike.

What causes a fuel pump to die before filling up?

If you make a habit of running your tank all the way to empty before filling up; your fuel pump will most likely die before its designed lifespan. This is due to the fact that when you shut off the engine with a low fuel level; the fuel can drain from the priming chamber designed into the fuel delivery system.

How to troubleshoot fuel pump in GM 4.3L?

Once the intake air duct is back on the throttle body, have your assistant, inside the vehicle, crank the engine. 1.) The engine will start momentarily and after a few seconds will die. 2.) The engine will only crank but not start at all. 3.) The engine will start and stay running. OK, let’s find out what your results mean:

What are the symptoms of a faulty fuel pump relay?

1 Engine does not start. A common symptom of a faulty fuel pump relay is an engine that just refuses to start, even though the engine may still crank when the 2 Engine stalls. One of the most common symptoms of a failing fuel pump relay is an engine that suddenly stalls. 3 Loss of Power. 4 No noise from the fuel pump. …

Why did my fuel pump die while driving?

Sounds fuel pumpy. i was on my way home tonight and it did it again randomly. im almost certain from researching that its my fuel pump cause once it starts to die i tried flooring it and it did nothing. is there anyway i can check to make sure its the fuel pump before i fork out almost 200 on a new one and come to find out thats not the problem?

Why did my GMC truck engine die while driving?

The positive battery cable was coroded and chewed up. Replaced it and all has been well.

Why does my GMC Sierra suddenly stop running?

Truck suddenly stops running, acting like it’s out of fuel. There is fuel in the gas tank and, I can hear the fuel pump when I turn the ignition on. Is there a fuse, or relay that is maybe causing this to happen?

Is the Chevy truck fuel pump good for?

Fits perfectly for any 1988 to 1998 I got this fuel pump and at the touch you can tell it’s good quality. Fits perfectly for any 1988 to 1998 fuel pump in a Chevy truck. Fuel pump is great and I haven’t had any problems with it. Also the warranty is good to have, always.

Why does my GMC Suburban no start flooding itself out?

If I unplug one of the injectors it starts up and idles and I am able to plug the injector back in and it will idle as normal. If I try and start it with both injectors plugged in, it just cranks and cranks without attempting to start.

How to start a 2011 Silverado hard to start?

1. Drain the fuel tank. Refer to Fuel Tank Draining. 2. Clean the fuel system. Refer to Fuel System Cleaning. 3. Add fuel containing 10 percent or less ethanol content. 4. Operate the vehicle until at least 1 liter (0.3 gallon) is used.

What are the symptoms of a hard to start Silverado?

On rare occasions, some customers may experience a hard start cold, brief rough running on cold start, black exhaust color, and/or SES light. If a SES light is experienced, DTCs P0172 and/or P0175 may be stored. If driveability symptoms are experienced, they will generally diminish within 1 minute of start up.

Why does my truck not start in flood mode?

In flood mode, it reduces or cuts the fuel from the injectors. It gets flooded from a bad regulator because the gas in the fuel rail is at 55 PSI pressure…when you shut the truck down, that seeps into the vacuum line, which goes into the intake, which goes into the cylinders.

Why does my Truck start when I press the gas pedal?

If it has gasoline in it, your regulator is bad. It’s about $50 for a new one at AutoZone. It’s a common problem on this engine. If this does turn out to be the problem, the reason it starts when you hold the key is because you are putting the ECM in “flood mode”.

Why does my car stall at low rpm?

The will likely force your computer to stall the engine and only allow it to run at low RPMs, which means the car will only move at slow speeds. This is a safety feature enforced by the computer so that your engine doesn’t get too damaged.

What to do when your Chevy truck won’t start?

If there is no spark, check the ignition coil and the ignition module and distributor for spark. If he has spark and fuel, then this might be a compression or timing chain issue. Sometimes the engine will spin over faster and sound funny when the timing chain breaks or there is internal engine damage.

Why does my starter turn without turning the engine?

Starter Turns Without Turning the Engine. A starter that spins without turning the engine is caused by the starter gear failing to engage the engine’s flywheel. This usually indicates that the starter pinion is sticking and not allowing its gear to move into position with the flywheel.

Why is my Chevy 4.3 engine still running?

Checking your vehicle’s fluid levels is always a good idea to maintain the overall longevity of the engine. Once you have ruled out all the basics, you can go back to what the Chevy 4.3 engine is known for: bad idle air control valves and throttle control switches.

When is the best time to start a Chevy 6.0?

Chevy 6.0 engines usually have issues in starting up during the cold months, particularly when the temperature is close to freezing point. This article will help you with getting your car to start during the cold months.

How long does a Chevy 6.0 engine last?

So, our verdict is, the 6.0 Vortec is of course a good engine. How long do Chevy 6.0 engines last? Usually, a Chevy 6.0 engine can go uninterrupted for up to 300,000 miles of mileage. If you are concerned about regular maintenance and other similar chores, it can go for even double mileage of that.

What makes a 2000 Chevy 4.3 truck not start?

7,686 satisfied customers 2000 Chevy 4.3 truck start won’t start runs little rough 2000 Chevy 4.3 truck start won’t start runs little rough fuel pump new think it’s fuel pressure regulater … read more Roy Belding 7,686 satisfied customers

What should I do if my Chevy Silverado wont start?

Chevy Mechanic: Shane, ASE Certified Technician replied 11 years ago you may try to relearn the pass-key system by the following procedure: 30 Minute Re-Learn Procedure Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON (vehicle will not start).

What should I do if my 2000 Chevy Silverado dies?

2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser 2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser – Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

When does the telltale turn off on a Chevy Silverado?

Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF. Turn OFF the ignition, and wait 5 seconds.

Is there a problem with my Chevy Silverado?

Will turn key and it is like no power from battery to starter, but have lights, radio, etc. Turn key again or sometimes multiple times, to no avail. Then, turn it one more time and it starts. Then the next 15 starts, no problem. Sometimes hot engine, sometimes cold. UPDATE: 2-6-14; I sold the truck to my father. He changed the starter.

What causes a car engine to not start?

All engines require three things to start and run: spark, fuel and compression. If any one of these is missing, your engine will not start. But with all that working your engine will not start. Engine Will Not Start-The most likely cause is that the fuel injectors are probably not opening.

What causes a Chevy Silverado to not start?

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 Silverado won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own.

What’s the problem with my Chevy Silverado 1500?

When it decides to act right, all is will. Anyone else found a solution? Chevy silverado 1500 2004. The same problem, random intermittent starting. I had had this problem before about 5 times and each time I disconnected and reconnected the negative battery cable it started fine. This time that didn’t work.

Are there any problems with the Chevy 4.8L Vortec?

The two engines tend to have similar problems, but the 4.8 Vortec comes in at a higher reliability rating on our scale due to its lack of AFM, which is known to cause problems on just about every engine it touches. 1. Intake Knock Sensor – 4.8L Vortec

What does it mean when your car won’t start?

An intermittent no-start condition references any time where starting is possible sometimes, and other times the engine will not start. This implies that the difference between starting and failure to start is not understood.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

Why is my car not starting when I Turn on the ignition?

You pop into your garage in a hurry, but the car will not start when you turn on the ignition key. You can hear the starter spinning, but it’s not engaging with the flywheel. What could be wrong? Here is a more detailed list of the 5 most common causes why your starter won’t engage.

Can a PassLock system failure cause a no start?

Passlock system failures are a very, very common cause of no start conditions. OK, the list of possible things that can go wrong looks pretty long but it is rare to see (or have) two different components go bad from two separate systems at the same time.

What’s the best time to start a Chevy Silverado?

MY SILVERADO PICKUP STARTS GREAT WHEN COLD BUT WILL NOT START WITH OUT CRANKING FOR PROBABLY AROUND 6 SECONDS. SOMETIMES MORE AND SOMETIMES LESS. IT WILL START BACK UP EASILY RIGHT AFTER YOU SHUT IT OFF BUT ABOUT 5 MINUTES LATER IT WILL NOT START VERY WELL.

Why does my Chevy Silverado 1500 start cold?

Starts fine cold because its in open loop and using extra fuel to run but once its in closed loop with the idle air control reset there just isn’t enough fuel to start right away. One way there is too much air and the other would be not enough fuel.

Why does my Chevy Silverado smell like gasoline?

This causes a rich condition at hot startup, often noticed by “flooding,” or the smell of gasoline after repeated starting attempts. Another possible cause is a weak coil or electrical system that is compounded by the heat produced from a hot engine.

Why does my Chevy Silverado think it is in Park?

Is there any switch, relay or sensor that could cause the truck to “think” it is not in park, or the engine is already running, or whatever else might keep it from engaging the starter motor. When it decides to act right, all is will.

What’s the battery voltage on a Chevy Silverado?

When I turned the key to start the dome light did not flicker or dim in any way. Also, when the key was on, the battery voltage read about 12. When I turned the key to start, the gauge dropped down to 0 and stayed there until I released the key back to ON. Also, I keep the headlights on automatic with the selector switch.

What kind of engine does Chevy Silverado have?

I have a 2002 Silverado with 5.3L engine. Occasionally, when I turn it off, come back a few minutes later, it turns over but won’t start. Leave it 15 mins and it starts. Recently wouldn’t start at all, dealership put in fuel filter and fuel pump. Problem persists. Good fuel pressure (55psi).

Why do I have problems starting my Chevy Silverado?

Automatic choke issues may cause problems. It could be the fuel filter needs a change. Using an engine additive may cause problems too as it dissolves so much sediment in your tank that it clogs everything up. Starters are bullet proof on the Chevy but worth changing every 10 years as is the alternator.

Where did the Chevy Silverado 1500 engine failure occur?

The vehicle was taken to jim browne Chevrolet Buick GMC of dade city (10741 U S 301, dade city, fl 33525, (352) 567-1222) and remained at the dealer while the mechanics attempted to duplicate the failure by driving the vehicle over several days and several miles. The manufacturer was contacted and informed of the failure.

How often does the engine light come on on a Chevy Silverado?

The engine light has come on 3 times with a truck with only 9000 miles on it I took it to the dealership who gave me a code of P12A6 they told me Chevrolet is aware of this problem but has not come up with solution yet or even wrote a program to reflash the computer.

Why does my GM 4.3L engine not start?

No Start Condition Basics There are three very basic components that the engine, in your GM vehicle, needs to start and they are: Air, Fuel and Spark. When your 4.3L, 5.0L or 5.7L GM vehicle cranks but does not start, it’s because one of these components is missing from the mix.

Can a Chevy C / K 1500 engine not start?

Chevrolet C/K 1500 Questions – truck will not start, engine turns, but does not fire at all. – CarGurus truck will not start, engine turns, but does not fire at all. other computer-related things that could be interfering?

Why does my Vortec engine not start at all?

11 people found this helpful. check your fuel pressure. The vortec engines are known to have the fuel pressure regulator fail and leak into the intake. At the worst of it the vehicle cant start at all, it will flood a couple cylinders and not feed fuel to the rest. This can be checked for by checking fuel pressure and leakdown rate.

Why is my Chevy Silverado 1500 not starting?

If the battery is empty shortly after charging, the alternator should therefore be checked for a defect. If the battery is OK, a defect in the starter can be the cause of a non-starting vehicle. Age-related wear or a material defect can damage the starter. This is often noticeable by a clicking sound when trying to start.

Why does my Chevy truck not start when parked?

Three or four years ago the truck had the Reduced Engine Power warning problem. I was going to fix it “tomorrow”, but didn’t find the time, so I parked the vehicle and started the engine every two weeks and let it idle for about 20 minutes.

Why does my GMC engine start but not run?

Repair guides and support for cars, trucks, and SUVs manufactured by GMC. Answered! View the answer I have this problem too Is this a good question? An engine will start but not run when the fuel runs out .

However, today, when the truck will crank and start, the antitheft icon goes off after a few seconds with the key on and stays off while the truck is running. It never flashed either today or yesterday though. And I don’t know if the antitheft system disables cranking or starting or both.

Why does my Chevy Silverado want to turn over?

Truck wants to turn over but will act as if is starving for fuel,wait ten minutes, it start. Been happening frequently lately. I also was told it was the security system Will turn key and it is like no power from battery to starter, but have lights, radio, etc. Turn key again or sometimes multiple times, to no avail.

What causes a GMC truck to turn over but not start?

If the engine starts up normally after doing that, it means that fuel pressure is bleeding off and the fuel pump needs to prime the lines before it can start. It can bleed off from one of two places. 1. Fuel pressure regulator has an internal leak, and fuel is bleeding off back to the tank though the return line. 2.

Why does my Car start but not run?

An engine will start but not run when the fuel runs out . If the fuel pressure is not strong enough the car will stall out .

Is there a 2007 Sierra that won’t start?

I have a 2007 Sierra that won’t start. When I turn the key on all the lights on the dash come on and the radio works. 2007 Sierra: that wont start..dash come..radio works..start position… I have a 2007 Sierra… I have a 2007 Sierra that won’t start. When I turn the key on all the lights on the dash come on and the radio works.

Why does my GMC Silverado have no crank?

This is a fix for a known electrical issue with the 2003-2007 C/K series GM Trucks where a bad ground causes multiple issues. Such as no start, no crank, intermittent no gauges, and sometimes the theft light would stay on, and the parking lights would stay on.

What kind of car has no crank no start?

My son’s 2007 chevy silverado has a no crank, no start condition. The truck has a new battery. I verified the starter is My son’s 2007 chevy…

What should I do if my car won’t start?

Ask an assistant to turn the ignition key to the On position, but don’t start the engine. As your assistant turns the key, listen closely through the filler neck of the fuel tank. You should hear the whirring sound of the fuel pump motor being energized for two or three seconds.

Why does my car not start when I Turn on the ignition?

The most common causes are in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter). However, the source may also be a mechanical fault (for example, a leaking valve), or faulty components in other systems.

Are there any problems with the Chevy Silverado?

Check out our Chevrolet Silverado overview to see the most problematic years, worst problems and most recently reported complaints with the Silverado.

What does it mean when your truck won’t start?

Hate to say it but if the solenoid clicks and it don’t start, it’s either a bad battery, bad starter or bad battery cables. A bad starter will do it almost every time, a bad cable can be intermittant but gets worse quickly. My bet is the battery has a bad internal buss contact plate.

Why does my Chevy Silverado turn over but not start?

Before suspecting electrical or mechanical failures, however, ensure that the parking lever is in park and that electrical connections are clean and secure. If the engine turns over but will not start, this usually means that either the engine is not producing a spark at the sparkplugs or fuel is not being delivered to the engine.

How often does my GMC Truck turn over?

So far this has been the case pretty much every time i am starting the truck cold. I’ll try to start it and it will turn over for about 3-4 seconds (have tried a bit longer, still no go) then i’ll stop and try to start it again, and the second time it fires right up.

What to do when your GMC Truck won’t start?

Try turning your key to the run position a few times (with out starting). Then try to start it. If it starts, sounds like what mine did. I replaced the fuel pump assembly and that fixed the problems. Very common problem.

What does it mean when your car says no start?

A No Crank Condition means that the engine is not turning over when you turn the key to crank the engine. The most common problem, that causes this condition is a failed starter motor. If your vehicle is suffering a No Crank Condition, this tutorial may be a good starting point: How To Test The Starter Motor (GM 4.3L, 5.0L, 5.7L).

Why does my 2007 Chevy Silverado not start?

– YouTube 2007 Chevy Silverado Will Not Start? Thought It Was A Battery Problem? If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

What causes a Chevy Silverado to run rough?

If an oxygen sensor goes bad, it can make your Silverado run too lean (or rich). A super lean running engine will often idle rough. Fuel Injectors. The fuel injection systems job is to atomize the fuel into fine mist.

What to do if your Chevy truck won’t start?

Fuel pump pumps. NO spark and NO fuel, turns fine. Rotor button turns, cap and rotor clean. Under the dash at the fuse panel there’s no voltage on the crank fuse. have the same problem? Hi, thanks for the donation.

When to troubleshoot the electrical system in a Chevy Silverado?

This happens sometimes when trailer wiring has been added, causing electrical system problems. Consider having the BCM or Body Control Module replaced if your Silverado repeatedly blows out the same fuses or if it seems like you’re experiencing one electrical problem after another.

What should fuel pressure be on 1993 Chevy TBI?

Verify there is 18-20 of fuel pressure when you dead head the fuel pump. If low, verify there is good power and ground to the fuel pump and that the fuel filter is clear. Also, make sure that the MAP sensor vacuum port in the throttle body is not restricted.