1990 Pontiac 6000 car will only idle

1990 PONTIAC 6000
117,000 MILES • 6 CYL • FWD • AUTOMATIC
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DWERNER
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  • 3 POSTS
pulled the fuel pump and tested with voltage pump seems strong have put 2 computer boxes from j-yard in but it pops when i turn the key , idles a while ,stalls when i try to give it gas definately getting spark to plugs could this fuel pump sound good but not be delivering right pressure ? could it be a regulator this is a 3.1 multiport motor how or where do i check fuel pressure- also i did put a new fuel filter on before pulling pump ran good 2 wks ago then just quit seems like a fuel prob. any sugg. would be appreciated
Nov 5, 2009 at 1:29 PM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Here are the directions for checking fuel pump pressure. And yes, it could be running and not have enough pressure.

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Also, when it doesn't start, remove one of the spark pligs and see if it is wet with fuel/

Let me know what you find.
Joe
Mar 10, 2010 at 10:43 AM