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93 4cyl Help!!!!!!!!!!!! My going nuts!!!!

93 camery 294000miles, My wife was driveing it to work and it died. It starts sometimes somtimes not, When it does it runs for 2-5mins then dies. I might restart or might not.When running I can rev it and it'll be fine then for no reason it'll bog and die. never the same . It might restart first try, or it might in a hour. Ok what I did.

Fuel filter 1st pulgs wires cap 2nd Checked all the fuel relay 3rd fuelpump(my 86 was doing the same thing)4th Recheck spark all good no bad diagnostics on check.....

Now what?

Reply to
Co2une
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When it dies next time, see if you can check if the fuel system has pressure. Gunk build-up in the tank can block the fuel filter at the pump intake, then fall away after the pump has stopped for a while.

Jason

Reply to
Jason James

I chaged the pump.....

Reply to
Co2une

Problems of that nature tend to be intermittent electrical faults. have you checked the ignition coil? (primary and secondary resistance, hot and cold temperatures, also try tapping on the case to see if that changes the readings)

Reply to
Daniel M. Dreifus

Yes,..but the tank mayhave a build-up of foreign material which is blocking the pump inlet occasionaly. Then after the car has stopped for a while, the blockage clears as the gunk falls away from the inlet due no suction (ie, pump is off).

Jason

Reply to
Jason James

Your car has OBD-I system, a scanner would be a great asset. It could be as simple as a clogged air filter or faulty MAF sensor. Check autoxray.com (EZ-Scan 3000), obdii.com, autotap.com and ebay for scanners, not code readers.

Reply to
IceMan

Your car's OBD ('93 4 cyl.) doesnt' require a scanner. You only need to use a jumper wire (paper clip) and can read the codes directly.

Reply to
Daniel M. Dreifus

"no bad diagnostics on check....." does this mean no codes to read? Scanners do read ECT temperature, Air flow, Short/Long Term Fuel Trim, Advanced Timing, O2 Sensor voltages, RPM,...

as

directly.

Reply to
IceMan

That's what it was, I found a carbon trail on the coil. Must had broke down after a warm up....THANK YOU!!!!! The car run like a ball o fire now!!!!

Reply to
Co2une

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