Having problems with your 1998 Ford F150 Regular Cab ?

I Had a p1131 code replaced o2 sensor before cat it still runs like **** with no check engine light what could be the problem YES I AM A Girl

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

Vacuum leak in PVC line or clogged PVC. its a leak after the map sensor. o2 sensor is correcting for a lean condition so its adding fuel to your car when the o2 sensor detects the extra air.
Repair Help & Product Troubleshooting for 1998 Ford F150 Regular Cab

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