Will a bad modulator valve cause the engine to stall?

10

Asked by Oct 08, 2014 at 01:41 AM about the 1978 Ford Thunderbird

Question type: Maintenance & Repair

2 Answers

36,175

No. Not all by itself.

5,725

It is possible that the vacuum line has come off and you have a vacuum leak. The modulator valve is what makes it shift smoothly

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