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Discussion Starter · #1 ·
i have a 96 12valve that is int loping at idle. Changed fuel filter and cleaned screen. When it starts loping i can give it a little throttle and it quits. any ideas?
 

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How much fuel pressure at idle? How many rpm verified by a real tachometer? (not dashboard)

Those are the kind of answers needed for a genuine diagnosis. Just for starters. Without that stuff, it really is just "a shot in the dark" or "wild ass guess" since there are thousands of possibilities that could cause generic rough idling and lots of stupid little quirks and often over looked things that could cause such conditions.
 

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Discussion Starter · #3 ·
tach varies bout 100 rpm. Have to get a fuel pressure gauge this week. ill let you no thanks
 

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Discussion Starter · #4 ·
so hooked up gauge and the needle moves eratically from 0 to 40. maybe my gauge is bad?
 

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Discussion Starter · #5 ·
ok hooked a different gauge up and at idle it pulsates bout 17-21 and at 2500rpm pulsates 20-30
 
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