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ben

fiesta help

8 posts in this topic

hi, my car is a 2002 fiesta with a 1.3i engine and when its running it fluctuates revs, and the car sortov shudders. what could be at fault

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Does it do this while driving or when it's stationery?

If your accelerating does it fluctuate or just when the car is on tick over?

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I had a problem with fluctuating revs on my clio and this was a problem with the ecu. So it may be that you've got a faulty ecu.

The shuddering could be when the revs drop too much it is starting to struggle and so shudders until the revs raise again.

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right i have consulted haynes manual and it may not be idle valve it could be spark plugs knackered air filter clogged tbh best letting a garage look at it?

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