Mechanics

HESITATION AND MISFIRING

1995 Ford Escort

Engine Performance problem
1995 Ford Escort 4 cyl Front Wheel Drive Manual 156000 miles

I have a 1995 Ford Escort that has begun giving me some problems. The car hesitates in acceleration until high in RPMS especially under load (such as going up hills). It also misfires some. If minimal pressure is put on the gas pedal the car works alright, but when the throttle is opened more the engine bogs down. Hooked a scanner up to it and it was code 181181 which was the fuel running lean with the computer set at rich limit. I replaced the fuel filter, air filter, plugs, wires, and checked fuel pressure and vacuum pressure at idle. All were good, but no improvements.
Any ideas?
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Mackattack4742
April 24, 2008.



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