12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

fueling issues

Old Aug 7, 2007 | 06:07 PM
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From: fryeburg maine
fueling issues

in my 98 12v at wot after a few seconds it seems to loose power and you can watch the boost drop from 34psi down to 20, then it jumps back up to 30 or so then back to 20 and falls from there until it spits and sputters.

lift pump and overflow valve have around 20k on them. I cleaned the prefilter 20k ago.

fuel filter was new last week.

could the lp or overflow valve have died already?
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