Engine misfire due to intake manifold air leak on Porsche 944

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

RepairPal Verified
Average mileage: (–)
2 model years affected: 1990, 1991
2 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews