Having problems with your 1999 GMC Sierra ?

1998 4.3 1500 sierra gmc

\015 We put a new fuel pump and filter in and my truck wo't start can you tell me the problem\015\012\015\012i did all that and it also has spark now wat??\015 Posted / edited by AnonymousUser on : 11-12-2017

Answers :

Check fuel pump relay outside under hood there is also a pump jumper on driver side single red wire with plug on end where harness comes out of firewall hook up to bypass and see if pump is working also check to see if you plugged pump back in when replaced
Repair Help & Product Troubleshooting for 1999 GMC Sierra

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