4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
114,100 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Jul 282004

(reported on)

Mustang LX

  • 114,098 miles

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, US

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