Common questions

What to do if your Chevy Cobalt wont start?

What to do if your Chevy Cobalt wont start?

If it doesn’t, check the 50A fuse located near the battery. Check for signs of corrosion on the wire connector or fuse and check for open. If the fuse and wiring test good, move on to check the power and ground connections at the ECM.

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 engine to crank for long time before it starts?

When an engine cranks for a long time before it starts, either spark or fuel is missing or weak and each has its own reasons. Most of the time, the air / fuel mixture has been disturbed and there is too much air or not enough fuel.

Is the battery good on a new Chevy Cobalt?

Battery is new, lights and everything work fine. The car sat for 2 days then for the hell of it we tried starting it and it started right up. The next day she drove it, parked it and then when to start it and the same thing happened. Any ideas? 87 people found this helpful. Scan it for trouble codes.

What does no crank mean on a Chevy Cobalt?

One other thing I forgot to mention…..engine light is on with code P1682 which I have been previously told should not cause a no crank condition but can cause a no start or reduced power condition. Another weird thing about this code is that I really can’t clear it.

If it doesn’t, check the 50A fuse located near the battery. Check for signs of corrosion on the wire connector or fuse and check for open. If the fuse and wiring test good, move on to check the power and ground connections at the ECM.

How many volts does a Chevy Cobalt have?

Not open for further replies. With ignition in crank position there is 12 volts going to starter signal wire as long as it is unplugged from starter but shows 0 volts if plugged into starter?

Is the Check Engine light on on my new car?

I got a new battery but it only clicks once when I try to start it. All lights come on except the check engine light. I hooked up a scanner thing from Wal-Mart (cheapo) and it says no communication with ECU/PCM but says compression good and N/A on almost everything else.

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

The mechanic said it was the ECU and had it replaced. When he went to the dealer they reprogrammed the new one and said it would not start because the battery was bad. My friend released the keys and it started and drove back home but once he shut it off it would not start again.

What does the OBD scanner say about no check engine light?

The OBD scanner says code U1001 or something like that which is no communication with ECM/ PCM. The only other things it says is MIL on and compression good. All else is N/A. helpful? Please confirm that it is a U1001. If it is, recheck all fuses in the under hood fuse box.

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.

I got a new battery but it only clicks once when I try to start it. All lights come on except the check engine light. I hooked up a scanner thing from Wal-Mart (cheapo) and it says no communication with ECU/PCM but says compression good and N/A on almost everything else.

One other thing I forgot to mention…..engine light is on with code P1682 which I have been previously told should not cause a no crank condition but can cause a no start or reduced power condition. Another weird thing about this code is that I really can’t clear it.

Not open for further replies. With ignition in crank position there is 12 volts going to starter signal wire as long as it is unplugged from starter but shows 0 volts if plugged into starter?

What causes a car to have no crank no start?

There’s one voltage when the key is in the lock position, another when it’s in the START, and a third when it’s in the RUN position. But the BCM should never see voltage when the key is in the ACC position. In some cases, the ignition switch may malfunction resulting in an engine no crank concern with no trouble codes.

How does remote keyless entry work on a Chevy Cobalt?

Remote Keyless Entry (RKE) System The RKE transmitter is used to remotely lock and unlock the doors from up to 60 m (195 feet) away from the vehicle. PressKto unlock the driver door.

How does the RKE transmitter work on a Chevy Cobalt?

The RKE transmitter is used to remotely lock and unlock the doors from up to 60 m (195 feet) away from the vehicle. PressKto unlock the driver door. Press again within five seconds to unlock all remaining doors. PressQto lock all doors. Lock and unlock feedback can be personalized. Press and holdVfor approximately one second to open the trunk.

Battery is new, lights and everything work fine. The car sat for 2 days then for the hell of it we tried starting it and it started right up. The next day she drove it, parked it and then when to start it and the same thing happened. Any ideas? 87 people found this helpful. Scan it for trouble codes.

What to do when your car won’t start?

When a vehicle doesn’t start it can be for many reasons. To avoid replacing unneeded parts we recommend having a professional perform a diagnostic test to identify the root cause of the problem.

Why does my Toyota Tacoma engine not start?

When the computer senses the engine is out of time, it will turn on the check engine light, and the engine may start and stall, or fail to start at all. If the engine runs, it w…

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Ruth Doyle