Missfire cylinder 4 changed coil and plugs twice same problem any other suggestions to fix

Missfire cylinder 4 changed coil and plugs twice same problem any other suggestions to fix 1 Answer

okay, is there an easy fix to this problem? 2 Answers

replaced rear air bags with shocks suspension. Suspension light still on, how can it be reset to go off, please?

I cut off the catalytic converters on my 2001 Navigator and i can still see daylight through them. How do you know if you need new ones? I also changed all the coils and plugs but still losing lots of power on the slightest incline and check engine light flashes like crazy 6 Answers

How do you know if the catalytic converters need to be replaced

the front driver heatead seat does not work. the push of the heat button lights for a few seconds to a minute and then it shuts off. The same happens on the A/C side of the same buttom. 3 Answers

when you push the heater button or A/C side of the same button, the light on the button lights up for a few seconds to a minute max and them shuts off an you have to wait for many minutes before you c...

Why 2001 navigator have engine problems after changing 7 ignition coils and spark plugs. 3 Answers

5.4 intech motor.Why does a 2001 navigator have engine problems after changing 7 ignition coils and spark plugs. in the motor.. The diagnostic read that only #6 was misfiring. I could not access #8 be...