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My 1996 chevy suburban stalls to turn on when it is cold..it takes 2 to 3 try's to start..but once its been running it starts on the first try. what might be the problem?
Re: My 1996 chevy suburban stalls to turn on when it is...
Mcdevito75 here, It could be the fast idle sensor, this acts like the old chokes that enrich the fuel mixture to keep a cold engine running a bit faster at a cold start. Have your local shop check it out.
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does the engine seem to revving real fast in neutral or park??
two possible things the throttle cable may have frayed inside the sheath and is holding the throttle open , has someone been turning things under the hood on the throttle body ?? is the cable routed properly in its groove. or the coolant temp sender on the intake
has faulted and is dumping extra fuel (talks to computor works like a choke for a cold engine) did this just start ?? or been a long time issue??
Have a fuel pressure leak down test run on the fuel pump. This is a symptom of the electric pump pressure check valve being defective, the valve is part of the fuel pump and it is mounted in the fuel tank. Also make sure you are using 87 Octane gasoline, higher octanes can cause stall issues on cold starts.
HI,When electrical components such as a stater motor get hot they draw more amperage thus making it harder to turn over the motor. There are 3 possible things going bad (1) Battery (2) Battery Cables (corrosion) (3) Starter. I hope this helps lead you to the proper diagnoses.
Does it crank normally, just wont start? Not sure if we have a draw on the battery over night or if one or more injectors is bleeding down in to the combustion chamber of the cylinder causing a lack of fuel pressure and has washed out the cylinder. Pull the dipstick, see if it smells of gasoline. Need more info to assist.
If it works well at speed and acts up when slowing or stopped it doesn't sound like fuel filter or pump. You can try running injector cleaner through the engine to clean the carborator injectors or fuel injectors if you have those. Look at replacing the plugs and wires on the motor.
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