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944 Warm Starting Problem

  • 1983
  • 944
80 000
British Columbia

On cold start, the car starts right away. But when it's warmed up and shut off, after about 5-10minutes, it takes about 5-7seconds to fire up. I have replaced both the reference sensors, fuel pressure regulator and damper, temp sensors, DME relay and so on. As well, no vacuum leaks or fuel leaks, new fuel filter, headgasket, timing and balance belt, cleaned out fuel tank.

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