Bad Mass Airflow Sensor?

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1BadBowtie

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How would you diagnose a bad Mass Airflow Sensor? Mine is the original in my truck with is a 98 k1500 5.7L.
 

east302

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Spec is 5-7 grams/second at idle warmed up.

Do you have any DTCs?


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C30454

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And usually about 230 grams/second at 5000 rpm full throttle in 2nd gear at 600 ft. above sea level. Closer to sea level will be slightly higher, or be lower at altitudes.


Tom
 

wheelman

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maybe un plug it and crank the engine see if it runs.or not.re plug and crank..when i rebuilt my tbi-i got a new one..ac delco.either amazon or ebay..
 
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