Mechanics

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1999 Chrysler Concorde • 156,237 miles

Won't start, AC won't come on, fuel pump doesn't come on. Fuses been checked and are good, relay to fuel pump and ac compressor been replaced but still doesn't work.
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Burnette's auto
August 29, 2012.




3 things needed, spark, fuel and compression. Make sure you have compression before talking about other items.

Basics first.

Roy

ASEMaster6371
Aug 29, 2012.
There is fuel in the vehicle, we have spark and compression but the fuel is not reaching the injectors. Any suggestions?

Tiny
Burnette's auto
Aug 29, 2012.
If you have spark, then the asd is good. Check the fuses for the fuel pump and check for power to the pump.

Roy
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ASEMaster6371
Aug 29, 2012.
If we bypass the ac compressor relay and the fuel pump relay, the vehicle runs. What activates the fuel and ac compressor relays?

Tiny
Burnette's auto
Aug 29, 2012.
Fuel pump is grounded by the ecm. I would be absollutely sure it is bad before considering replacing it. Have a shop check the wiring and look at the commands from the ecm.

Roy

ASEMaster6371
Aug 29, 2012.

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