Having problems with your 1998 Ford F150 Regular Cab ?
I have a 1998 ford f 150 just 5 min ago engine code po171 and po174 on the code reader how do i fix it
P0171 and p0174 are common issues the most of the time it is a vacuum leak check all vacuum lines have seen the vacuum line on the back of the air horn bad several times.
Repair Help & Product Troubleshooting for 1998 Ford F150 Regular Cab
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