Ford Fiesta Irratic idling on cold start

2007 Ford Fiesta Problem

Ref#3017
CarFord Fiesta ST 150
Year2007
OwnerDrifter
Posted01/10/2009
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My car wont idle on cold start. It sounds like it's running on 3 cylinders. I cant touch the gas pedal for about a minute, after which it smooths out, and is then fine.

I have changed plugs, plug leads. Cleaned injectors and the throtle body. Changed oils, and have had the AFR's tested.

I suspect the MAP sensor might be fouled up and needs a clean.
Problem Category
Engine, Cooling System & Drivetrain

Running Rough, Starting & Power Loss


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