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1988 Ford Mustang GT Chugging - Engine
Question: The engine chuggs when driving in 3-5th gears at 1700 to 1900 RPM. Happens only when warm. If I am accelerating through the gears there is no chugging. Only seems to happen whn on a road that has a speed limit of 55MPH at a speed on 55 to 60 MPH. Work that has been done is tuneup, changed the tfm module on the distributer new distributer, wires, plugs, air filter, thurmistat, fuel filter. I purchased the car used.
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Technican: I'll assume the engine will idle fine, no smoke or rich fuel smell.
Check the TPS (throttle position sensor) and MAP sensor.
Also check to see if any diagnostic trouble codes are stored in the computer. Use the following link to access a repair guide that'll have instructions-
autozone.com/servlet/UiBroker?UseCase=RG001&UserAction=viewRepairGuideYMMEYear Here's How To Get Guaranteed Solutions In Minutes
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