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1999 Chevy Lumina Mass Airflow Sensor

Tiny
CARLYPUTMAN
  • MEMBER
  • 1999 CHEVROLET LUMINA
  • V8
  • FWD
  • AUTOMATIC
  • 125,000 MILES
The check engine light was on, the car began to cut out, and the fuel efficiency was poor. We had the diagnostic computer check, and the code for a mass airflow sensor came up. We replaced the mass airflow sensor. The check engine light went off and the car ran perfectly for about 4 days. We warranteed out the MAF for a new one, thinking we may have gotten a faulty part. This worked great for about two weeks, when the check engine light came back on and the fuel efficiency is poor again. Is there a problem related to the MAF that is causing the code to come up again? Any suggestions would be great.
Thanks,
Carly
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Saturday, October 2nd, 2010 AT 6:20 PM

2 Replies

Tiny
NICKHEADZ34
  • MEMBER
  • 62 POSTS
Always change the filter and clean the duct when you do a maf otherwise you could foul the sensor again. These are delicate items. See if you can get one more from the store. If not crc makes a maf cleaner you could try that before shelling out for more parts. But again. Very delicate sensor to mess with
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Saturday, October 2nd, 2010 AT 6:26 PM
Tiny
NICKHEADZ34
  • MEMBER
  • 62 POSTS
Maf is mass airflow.
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Saturday, October 2nd, 2010 AT 6:28 PM

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