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Starting issue

Z

Zach Chapman

New member
I have this Pontiac Grand Prix gtp. It has less than 50000 miles. Supercharged. It will fire right up and run like a bad ass. Then if you turn it off and back over, it may or may not turn the fuel pump on. Doesn't throw any codes either. Any suggestions?
 


Find out if youre getting power to the fuel pump when this happens. If you are, then the pump is bad. If you arent, something is wrong. Then you work your way to the relay and same thing, check for power. If you do, it is between relay and pump. If you dont, then you have a problem from the battery to the relay.
 
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