IS THERE A TEST FOR THE COMPUTER OR SOME FAULT YOU MIGHT SUGGEST.

  • Tiny
  • burnette's auto
  • 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.

Wednesday, August 29th, 2012 AT 4:17 PM

5 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

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

Basics first.

Roy

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Wednesday, August 29th, 2012 AT 4:19 PM
  • Tiny
  • burnette's auto
  • Member

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

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Wednesday, August 29th, 2012 AT 5:50 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

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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Wednesday, August 29th, 2012 AT 5:57 PM
  • Tiny
  • burnette's auto
  • Member

If we bypass the ac compressor relay and the fuel pump relay, the vehicle runs. What activates the fuel and ac compressor relays?

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Wednesday, August 29th, 2012 AT 6:38 PM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,549 posts

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

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Wednesday, August 29th, 2012 AT 8:15 PM

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