Question about 1999 Ford Explorer
1999 ford Explorer XLS with original 65,000 miles
4.0 SOHC 4wd
The codes in the subject line stipulate that bank 1 & 2 are too lean. Replacing the following parts did not fix the problem.
Replaced MAf sensor & check engine light came back on
Replaced right bank & left back 02 sensors & check engine light came back on. The
Please help if you can.......James
The most common problem on a Ford with these codes is deteriorated PCV hoses. Check the hoses from the PCV valve to the intake manifold. Pay special attention to the rubber elbows. They often crack on the inside curve and the crack is hard to see.
Posted on May 22, 2008
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Posted on Jan 02, 2017
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