Volvo AWD 850 Forum

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tranny? 850

Hi,
Whenver i shift into 3 or L, car runs and shifts smooth but when i start the car the next day the blinking arrow lights up for no reason at all and the tranny is in the safety mode meaning tranny won't engage normally. I pulled some codes and read 313 w/c is about the PNP faulty code. Thing is i just replaced the PNP recently? This blinking arrow only happens in the morning or when engine is cold after using the L or 3 the night before? weird....

Does anyone know what to do with the Throttle position sensor w/c makes a annoying humming sound audible inside the cabin or when you place your hands over the TPS cover (black plastic)?

Thanks a lot...







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