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P0100 Diagnostic Trouble Code Discussion for August 2007

Mass Airflow Sensor Circuit Fluctuation Check

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Trouble Ticket Help Requests for DTC P0100
Help Request Posted
2002 Toyota 4Runner SR5 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on, fuel is rich VIN: JT3HN86R22
P0100: Mass Airflow Sensor Circuit Fluctuation Check. the car body is 2002 but the owner replaced engine with a used 1996 engine,but engine is the same from 1996 to 2002.engine stalls in idle and a black smoke comes out of tail pipe,according to the code we replaced air flow sensor but still the same and on the c...
August 08, 2007
2004 Saab 9-5 Arc 2.3L No Start, Stall VIN: YS3ED59A64
P0100: maf circuit malfunction. Have a very intermittent no start condition that seems to occur after a drive and then sitting 10-15 minutes. Main relay is powering up componenents, fuel pump runs and pressure is fine. Did have SES light come on one time setting the MAf codes and reading was...
August 28, 2007