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Porsche 944 Problems

Engine misfire due to intake manifold air leak on Porsche 944

Problem Description and Possible Solution

Air leaks at the manifold gaskets can cause engine misfire (especially at idle) or black smoke under load.

(2 people reported this problem)

Porsche 944 Vehicles With This Problem

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Average mileage: (–)
2 model years affected: 1990, 1991
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