Question about 1991 Chevrolet K1500

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Which sensor can cause no power when you full throttle

Which sensor can cause no power when you on full throttle on a 1991 chevy suburban 5.7 350

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Could be a Map Sensor, or could be a throttle positioning sensor. Hard to tell unless you get an engine diagnostic and look up the codes in a Chiltons or Haynes manual.

Posted on Jul 13, 2009

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Suburban 1993 2500 -454 / It runs rough on start up and then leans out and then the motor idles faster. It ran fine up until yesterday when my wife could not start it. Could it be a O2 sensor or fuel...


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