Search results
-
B
Rough idle? P0171, P0174? Here's what you need to check first!!!
Not sure if this will help many but I suffered from the same issues with low idle for some time and found an issue I'm sure many of you may have. There is a vacum line that runs into the intake manifold on the drivers side of the engine. The opening that this line feeds can become clogged and...- BillySquier
- Post #58
- Forum: 1st Gen Ford Expedition Engine & Performance
