1990 Porsche 928 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Porsche 928

A failing ECM or a fuel pump issue can cause a "No Start" condition.
Mass air flow meters can fail unexpectedly.Pay close attention to warning lights and have the brakes inspected regularly—immediately address any brake problems. Hard driving habits will cause excessive brake pad and rotor wear.

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I have 1989 Porshe 928 s4. Recently when the car is turn off all instrument lights will turn off, but there is a low glow of light in the instrument dash quite visible in the dark. If left for a day or two it will completely drain the battery. Anyone have an answere!

The differential starts to act up after some normal driving. I get grinding noises especially when turning at low speeds. Have tried changing the fluid including using additives etc... it seems like there is damage in there. Has anyone experienced this and know what it might be? Is it worth r...

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PLASTIC FUEL GAUGE MOUNTING NUT MAY CRACK AND ALLOW FUEL TO LEAK FROM THE FUEL TANK.

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A German "muscle car", of sorts. Have had 2, and they are unbelievable fun.

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