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my 94 wrangler "listed below missing" has 40 psi of fuel pressure and my manual say's it should be between 14-16, what problems can too much pressure cause? haven't checked the return line yet but i know the filter and pump were replaced before i got it so the shop may have kinked the line.

still having problems with the 94 wrangler 2.5 fi, i have replaced the coil , pickup coil and 02 sensor and plugs. after driving around 45 minutes it still bogs down and won't pull past half throttle. runs better than ever up to 45 minutes then doesn't want too pull. only codes showing up are 12...

when it runs it's firing on all 4

well i replaced the 02 sensor and it created another problem, now the jeep just quits anytime "idling or running" it will start right back up but may quit running in 30 seconds or 2 minutes. also noticed if you press the gas pedal down it will rev up until about a half throttle then bog down the...

i'll try a new 02 sensor and let everyone know. thanks i'm in n. east tn. "greeneville "

after about 20 minutes of running this jeep loses so much power it will barely pull itself, does a 02 sensor have that much control over the engine? i've had a bad 02 sensor in a honda car and the only real effect was fuel mileage. we have autozone, advance and o'reilly's where i live...

check engine light isn't on, the backfire comes while on the gas "seems like a cyl. isn't firing and filling with fuel then it fires with a loud bang". when it's doing this you can hear the missing thru the exhaust like it's only running on 2 cylinders. i'm wondering if the computer might be...

i have a 94 wrangler 4 cyl that after driving about 20 minutes starts missing and backfiring and will hardly pull out of it's tracks, coil and pick-up coil have been replaced. when i bought the pick up coil i found out the 94 wouldn't work it took a 97 pick up coil, so motor may have been...