engine problem
4.0
definitely annoyingTypical Repair Cost:
no data
Average Mileage:
114,098 miles
Number of complaints:
1 complaints
Most common solutions:
- not sure (1 reports)
Helpful Websites About 1986 Ford Mustang tach jumping
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A D V E R T I S E M E N T S
2004Jul 28
(reported on)Mustang LX
Shortly after starting when the motor is cold maybe 5 to 10 minutes i notice the tach jumping up & down. This goes on for maybe 2 to 5 miles then nothing, the car runs smooth until the next start after it has cooled down. I have replaced the fuel filter wires and spark plugs. What could it be?
Paul M.
Haverhill, Ma., USA
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