Hornet_2497 answered 6 years ago
You seemed to have covered all the basics with that tune-up but don't forget the air cleaner. Even if it's not showing a check engine light, scan for codes anyway. Maybe test the fuel pressure last.
What causes my 2007 Ford Focus to miss at highway speeds. New plugs, coils, and fuel filter. Injectors were cleaned too.
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I've got a 1988 Ford F150 with a 302 engine in it and I have a spark plug that's not firing because it's getting to much fuel, it's the third one back on the passenger side and you only notice it...
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my daughter has a 2001 focus 5 speed. the engine has excessive vibration and shakes the whole car. it has 140,000 miles on it . Any ideas?
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My engine light came on after one of my fuel nozzle injectors got blocked, I change it and now the engine light is still on help fix it
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