Having problems with your 1999 GMC Jimmy ?

Could the computer make the fuel pump stop working

Posted / edited by AnonymousUser on : 23-10-2017

Answers :

YEP THE PCM SEND POWER TO FUEL PUMP RELAY.CHECK FUEL PUMP FUSE AND RELAY FIRST.IF THEY ARE OKAY.I WOULD HAVE IT SCANNED TO SEE IF PCM IS BAD OR FUEL PUMP BAD.THAT WAY YOU WONT SPEND EXTRA MONEY.
Yes, but unlikely. have changed many of these fuel pumps. to confirm, you will need to check for power and ground at the pump wiring harness connection before you condemn the pump.
Repair Help & Product Troubleshooting for 1999 GMC Jimmy

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