Performance Issues Due to Failed Mass Air Flow Sensor on Volvo C70

The mass air flow sensor may fail resulting in poor engine performance and illumination of the Check Engine Light.

RepairPal Verified
Average mileage: 95,566 (84,132–107,000)
7 model years affected: 1998, 1999, 2000, 2001, more2002, 2003, 2004
9 people reported this problem
2 people shared problem details
1998 Volvo C70107,000
car would not stay started unless i pumped the gas pedal. found out that it would run alot better when i unplugged the mass air sensor. checked the specs on terminals 1 and 4 (which should be about 110 ohms)and found it way out of spec.
1998 Volvo C7084,132
car would not start, mass air flow sensor failed
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