2005 Ford F-150, 4.6. Has excessive cranking after setting 15-30 minutes. Sometimes sputters to a start, but can throw a code #8 miss fire. If I hold gas pedal to floor will start every time. Changed plugs and moved cop from #8 but the code didn't follow. Any ideas? Thanks
My car has 90000 miles.
My car has an automatic transmission.
Hi there. There are multiple issues that could be causing this problem, ranging from EGR valve issues to a idle control valve or even throttle body problem. If you’re able to start the truck by putting throttle to the floor, then a throttle position sensor might also be a damaged component. However, the first thing I would do would be to download all stored error codes in the ECU with a professional digital scanner which would give me at least a starting point to being the diagnosis.
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