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diagnosing intermittent sticking valves
Posted to Technical Discussion Forum on 6/23/2013 44 Replies

Hey guys This one is killing me. It has a intermittent severe smooth sag/power loss above 1500rpm. It has about 200,000 miles on it. usually happens when it is hot and has a large load on it.

It had a skewed MAF-replaced it. With IDS, I've verified fuel cont... Login to read more.

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car Vehicle Data

2007 Ford F-150 XL 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2007 Ford F-150 XL 5.4L

Engine5.4 L
Trans4-speed Automatic (Electronic)