Problem Reports

Porsche 944

Report: Erratic Interior Temperature Due to Broken Link at Servo Motor

• Failed Resisor Pack Causing High Speed Only On Interior Fan
  Due to a failed resistor pack, the HVAC fan may only operate on the high speed setting.

  Common Problems > Porsche 944

• How do I replace the heater control valve on a 1987 Porsche 944 turbo?
  Please include detailed instructions about what other parts may have to be removed to access th...

  Q&A > Porsche > 1990 Porsche 944

• Timing belt damage due to oil leaks
  Engine oil leaks at the cam housing, balance shaft, cam shaft, and oil pump should be repaired quickly. The timing belt can become oily and deteriorate if leaks are not repaired.

  Common Problems > Porsche 944

• Low boost due to corrosion at throttle pisition sensor
  Corrosion/moisture at the throttle position sensor can cause performance issues relating to low...

  Common Problems > Porsche 944

• Engine misfire due to intake manifold air leak
  Air leaks at the manifold gaskets can cause engine misfire (especially at idle) or black smoke...

  Common Problems > Porsche 944