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Re: will not stay running
That's the probelm with fuel injection, when it comes to diagnosing. Regulator etc, will shut down pump if pressure not detected usually. Only other way, other than a gauge would be to wire to pump directly as to by-pass all that stuff & you really don't want to do that, or perhaps a jumper wire acroos the relay, but you better be real good with wiring before you try that & mess something else up. Fuel pressure test should only cost about 1/2 hr labor, and well worth it. Regardless, if fuel filter hasn't been changed recently, I'd do that first, because it will need changing if pump has to be done anyway.
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Sounds like the M.A.F. sensor. It monitors the air temp before it goes into the engine like example, if its cold out,it tell the p.c.m to adjust the air,fuel mixture because it need a little more gas to start and run a cold engine compared to it be 80 degrees out and the engine needing less gas to run. I try to explain it the best way that I can but it sounds like to me you have a bad MAF sensor.the usually located in the breather box by the air filter or in the inlet tube before it goes into the intake. Good luck,stay safe and keep us posted!
I have a 1985 Camaro and if the switch for the fan is off then it overheats. There is a fan that can be installed. My switch is on the left of my steering wheel. Tune up is always good. Have your alternator checked, if it's old can be a problem maybe. New spark plugs can't go wrong. Good Luck!!!
sounds like a bad ignition module check for spark when it dies if you do not have spark at plugs check between coil and coil wire if still no spark most likely module it is under rear of distributer cap resembles a black wafer board with two electrical plugs
Are there any service engine soon lights on associated with this problem?
Possible CTS (Coolant Temperature Sensor) or another sensor giving faulty data for the cool air temperature.
Check spark and gas delivery when cool, below 70 deg. If the spark is not being delivered or the fuel injectors are not delivering fuel at this temperature, it will explain why it doesn't run right until it is warmed up.