Having problems with your 1999 GMC Savana ?

Fuel injectors 1999 gmc savana

\015 I own a 1999 gmc savana 3/4 ton van. 4.3 vortec v6. when i purchased it i whent on my first job.. it would not start with 3/4 of a tank of gas in it. i added 2 gallons and it fired rite up.. the next day i replaced the fuel pump and it ran fine and i drove it over 250 mile trip.. after letting it set for 3 days after that it would not start.. it turns over and dies rite out.. i have so far replaced the fuel pump, fuel filter, wiring harness, fuel relay, egr valve, fuel pressure regulator.. and i am still having issues.. it will not fire.. if i poor gas directly into the throttle body it will fire up for a few.. wich would infer it is not the motor.. any suggestion?? fuel injection??? electrical??\015 Posted / edited by AnonymousUser on : 20-11-2017

Answers :

A few things to look at
ignition coil
blockage in fuel line,
fuel in the tank contaminated
injectors dirty
injector pump faulty
Repair Help & Product Troubleshooting for 1999 GMC Savana

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