Porsche 928 Problem Report
Porsche 928 Air leaks from intake manifold
Intake air leaks at the manifold and elsewhere are common.
Mass air flow meters can fail unexpectedly.
A failing ECM or a fuel pump issue can cause a "No Start" condition.
I have 1989 Porshe 928 s4. Recently when the car is turn off all instrument lights will turn of...
When changing speeds at random or while going over bumps, the interior fan speed can be erratic...