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Old 12-06-2018, 10:32 PM   #4
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Join Date: Nov 2007
Location: Reading pa

May try monitoring the idle air motor and AMM while idling with a meter, I had intermittent severe power loss, was fine for 1/2 tank of gas then lost all hp when accelerating. After firing the parts shotgun at the fuel system, it turned out to be the AMM and idle air motor had intermittent problems, the idle air motor was actually the main culprit, started sticking open when warm, but only every once and a while. It seemed to be worse the warmer the engine got, like sitting in traffic for extended periods of time.
Not exactly what you are experiencing, just throwing it out there
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1978 242, 5.3 L33
1979 242, MS, R brakes
2006 V50 T5 AWD @ 17 PSI
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