Why does my Chevy Silverado engine not start?

Hey guys, 05 chevy silverado 4.3 cranks but won’t start. Getting fuel. Fairly new cap rotor, wires and ac Delco plugs. Removed cap to check for anything out of the ordinary. All looks good. Replaced crank sensor. Check spark at plugs, seems ok but not that bright. Still crank and won’t start, sometimes when cranking engine will try to but nothing.

Why does my Chevy Silverado turn over but not fire?

145 people found this helpful. Have a 99 Chevrolet 4×4 Silverado with 5.0 it was hot wired by previous owner. It did crank but replaced the steering wheel column with new wires and now it will turn over but won’t start. The fuel pump is connected directly to the battery.

Why are the cranks on my 2006 Chevy Silverado not working?

SOLVED: 2006 chevy silverado cranks but wont start. – Fixya 2006 chevy silverado cranks but wont start. Towed to repair shop. Diagnostics said it was electrical. Replaced a #7 20 amp fuse. Kept at shop for 3 days. Started ok.

What causes the fuel pump to not start?

The fuel pump is running and delivering normal pressure to the engine But, with all that working your engine still will not start. So, the most likely cause, is that the fuel injectors are probably not opening. The (PCM) uses the trigger signal from the crankshaft position sensor; and/or camshaft position sensor to pulse the injectors.

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.

Why is my Chevy Vortec 4300 V6 leaking fuel?

In the L35 and LF6 engines, the spider injectors are known to leak at the pressure regulator and at the supply and return lines due to a design fault. Outside of leaking fuel onto the exterior of the engine itself, it can cause excess fuel to get sucked into the engine.

It was as if the battery was dead. When the AAA mechanic checked the battery it was fine. But the dash lights would not come no when the key was turned. Then they did but there was no effert to start. The engine might click but nothing else. The dome lights were bright and working.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

What causes a car to have a no start problem?

A blown fuse in the starter circuit could be the cause of a no-start problem. Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter.

Why are the dash lights not working on my Chevy Silverado?

When the AAA mechanic checked the battery it was fine. But the dash lights would not come no when the key was turned. Then they did but there was no effert to start. The engine might click but nothing else. The dome lights were bright and working. It was putting out a full voltage the mechanic said. But again the dash lights would not come on.

Why does my 350 Chevy truck not start?

350 chevy truck cranks but won’t start – Maintenance/Repairs – Car Talk Community Truck ran fine with no indication of problem. When outside temp. dropped in teens one morning it wouldn’t start.

What should I do if my Chevy Colorado wont start?

When this happens, it cranks but won’t turn over. The battery is fine. If I wait 20 min to several hours, it will finally start & seem perfectly normal. The one thing it won’t do, is repeat this for the mechanic at the dealership!

Why does my Chevy Corvette engine not start?

There are a lot of issues that can cause your Corvette 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.

Why does my Vortec 5300 5.3L wont start?

If it’s a cam sensor (or any other sensor for that matter) it should show a code for the affected sensor. I’d make sure it’s getting spark. I can spray gas into the throttle body with a spray bottle and it cranks and runs good till I quit spraying fuel in it then will just die out everything is factory it was running fine and just died

Why does my 5.3L V8 wont start?

5.3L WAS RUNNING FINE WENT OUT TO CRANK STARTED MISSING AND DIED PO300 CODE I CHECKED FUEL PRESSUER ITS AT 60 PSI INJECTORS ARE PULSING NO OTHER CODES COULD IT BE CAM SENSOR? Start simple first, I think HF has a inline spark checker you could use to verify the coil packs are working fine I doubt that the o2 sensor would cause this.

What to do if your Vortec wont start?

With the ignition ON and the engine OFF, test the fuses that are supplied ignition 1 voltage by the powertrain relay. The test lamp should illuminate ON for each test point of the fuses. Did you check fuel volume too?

Why does my Chevy Silverado 1500 not start?

I have a 2005 Chevy Silverado 1500 2 wheel drive 4.3L V6. I recently replaced the fuel pump because the truck would not start. Replacing the pump fixed the problem, but now its doing the same two mouths later. Cranks but will not start. Yesterday I left for work the truck started and ran for about four miles and then it just quit.

How do I reset anti theft system Chevy Silverado?

Have a 2015 Chevy2500 duramax Noticed this morning not charging so Ipur 2 new batteries in it and know it won’t start In a chevy silverado, you will try to reset the anti-theft system by turning the key on until the yellow lock goes out on the instrument panel for about 10 minutes.

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.

Is there a problem with my 2014 Silverado no crank?

2014 Silverado no crank no start problem solved! – YouTube 2014 Silverado no crank no start problem solved! If playback doesn’t begin shortly, try restarting your device.

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.

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 to do if your Chevy 1500 won’t start?

The passlock sensor voltage reading has changed & you can relearn it to the PCM & you can start the truck again. To relearn, turn the ignition key to the on position for 3 10 minute cycles, turning the key to the off position for 5 seconds after each 10 minute learn.

Why does my car turn over but won’t start?

In older cars this was done by using a low resistance wire in series with the coil primary duing “Start”, then switching (via a solenoid switch) to a higher resistance wire in “Run”. If the higher resistance wire opened, the symptom would be it would start fine, but as soon as you returned the key to “On” it would die.

Why does my car not start when I turn the key?

This condition is usually due a failed fuel pump, a failed ignition coil, a failed ignition control module, a failed crank sensor, etc… that lets the engine crank (turn over) but does not let it start. A No Crank Condition means that the engine is not turning over when you turn the key to crank the engine.

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 the engine turn over but not start?

When I turn the key to start the vehicle the engine turns over but does not start. The gauges at the cluster do not move and none of the lights at the cluster come on. I checked for blown fuses everything okay and the headlights do come on also the battery has 12.9 volts.

What should I do if my Chevy truck wont start?

Truck tries to turn over but wont fire. Replaced cap and rotor just this afternoon and it still will not start. helpful? Please use the following link to ask this as a new question. Include all information about the vehicle and what it did prior to this problem.

How to get a Chevy Silverado to crank over?

1 Turn OFF the ignition. 2 Disconnect the power train control module (PCM) harness connector. 3 Connect a test lamp between the Crank Voltage circuit of the PCM harness and a good ground. 4 With the transmission in park, or clutch pedal pressed, turn the ignition switch to the START position.

How to turn off starter on Chevy Silverado?

1 Turn OFF the ignition. 2 Disconnect the PCM harness connector. 3 Connect a DMM between the starter enable relay control circuit of the PCM harness and a good ground. 4 Turn the ignition to the START position.

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 does my Chevy Silverado engine not start?