RepairPal Certified shops can diagnose and repair your 2001 Ford Mustang. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
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I seem to have found and fixed the problem. I was told by oil can henry's that I was misfiring on no.8 cylinder by OBDII diag machine. I pulled the coil to find plug well had a significant amount of oil around the plug causing an apparrent short thus to misfire. Pulled plug dried and cleaned all out replaced the 8 plug with the 5 plug drove around neighborhood ran fine still had SES lit up but not flashing. Disconnected neg bat term checked and wire brushed 5&8 plugs put all back together and all seems great again. Smooth all the way thru gears to 70 mph at 2000 rpm's. Purrs like new again. I think someone spilled oil on top of engine and got into the well under COP boot causing a short and a misfire.
I seem to have found and fixed the problem. I was told by oil can henry's that I was misfiring on no.8 cylinder by OBDII diag machine. I pulled the coil to find plug well had a significant amount of oil around the plug causing an apparrent short thus to misfire. Pulled plug dried and cleaned all out replaced the 8 plug with the 5 plug drove around neighborhood ran fine still had SES lit up but not flashing. Disconnected neg bat term checked and wire brushed 5&8 plugs put all back together and all seems great again. Smooth all the way thru gears to 70 mph at 2000 rpm's. Purrs like new again. I think someone spilled oil on top of engine and got into the well under COP boot causing a short and a misfire.