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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-31-2003, 12:02 AM   #1
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my bonneville is shooting a 34 - Mass Air Flow Sensor Circuit ( Grams Per Second / Low )

although this is great, i need to know what actually causes this to happen, i have done the following:
cleaned the iac valve, replaced spark plugs and wires, pcv valve, airfilter, tried a junkyard maf sensor,

i am pretty sure this happened after hitting a bump in the road
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