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  #1  
Old 09-28-2007, 03:32 PM
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Join Date: May 2007
Posts: 20
Cleaned Mass Airflow Sensor

I Have a 1996 E320 That had given me code P0170 (fuel trim malfunction Bank 1) I took off the mass air sensor,removed sensor from the body of the sensor,cleaned it with Primis Non Chlorinated Brake parts cleaner(Wal Mart)Dried it with compressed air and reinstalled it with different screws,so I could take it off again easily.The car now runs like a new one.I did this 3 weeks ago and have not had a check engine light since.Car has 78k miles by the way.Just wanted to let everybody know.This place is great,I check in just about every day to learn more..

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  #2  
Old 09-29-2007, 09:30 AM
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Join Date: Apr 2006
Location: Aiken, SC
Posts: 204
They actually make a mas air flow cleaner in a can. What it is? Dunno, from my background I'm guessing some zero residue degreaser, we used to use freon TF to clean electrical contacts. I'd be carefull with the compressed air, the wires and plates could easily get damaged. I bought a can of the cleaner, and clean the MAS on the TDI Beetle, Cabrio, and Rover every 10k when I rotate tires. Will do the C230 soon.
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2000 C230 Kompressor "Frosty"

2007 PT Cruiser
2001 VW TDI Beetle
1999 Landrover Discovery II
1971 Corvette

Gone: 97 Cabrio, 83 240D, 93 VW Eurovan, 95 Volvo 850, 93 Chevy Astro Van, 77 VW Bus, 99 VW Jetta, 74 VW Bus
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  #3  
Old 09-29-2007, 10:09 AM
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Join Date: Jan 2002
Location: Niceville, FL
Posts: 471
Dumb Question??? Is there a difference between the O2 sensor and the Mass Air Flow Sensor?

Still trying to chase a rich fuel problem and wondering: (1) the question above; and (2) if there might be a MAF sensor on my 500SL. The O2 sensor has been replaced and that made no difference. So, if there is a MAF sensor, this might be a possibility.

Thanks,
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'85 500SL (Euro) - 186,000 w/a complete restoration and engine rebuild at 154,000
'95 C280 - 174,000
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  #4  
Old 09-29-2007, 11:31 AM
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Join Date: Jul 2004
Location: NC
Posts: 1,140
C'mon guys!

Just a few lines down from this post

CRC Mass Airflow Sensor Cleaner works.

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former: 83 300D, 97 C230, 93 400E

current: 08 C300 Luxury , 92 500SL
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  #5  
Old 09-29-2007, 11:38 AM
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,804
Quote:
Originally Posted by Will_w202 View Post
Just a few lines down from this post

CRC Mass Airflow Sensor Cleaner works.

.....and All this stuff is in the Archieves in Spades ...

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