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Re: No 4th gear
Posted to Transmission Forum on 10/6/2018 1 Reply

FYI: The Mass Air Flow Sensor was indeed the problem. It was a constant 0V, 0 grams/sec. And the PCM was in limp in mode, no 4th gear. Just never had a MAF go bad without other driveability issues. Lesson learned. Normally I would have just fixed the MAF issue... Login to read more.

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car Vehicle Data

2007 Ford Focus SES 2.0L

Engine2.0 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2007 Ford Focus SES 2.0L

Engine2.0 L
Trans4-speed Automatic (Electronic)