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Audi A6 1998-2004, S6 2002 and later, allroad 2001 and later, rs6 2003 and later (C5) 98 audi A6 2.8L Q - Mass Air Flow Sensor


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Last Post: Jan 29, 2010 9:30 PM Last Post By: FKH161
Hans911

Posts: 2
Registered: 01/28/10
98 audi A6 2.8L Q - Mass Air Flow Sensor
Posted: Jan 28, 2010 1:59 PM
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Hey guys,

I was wondering if i can substitute a maf sensor 078-133-471-C FOR A 078-133-471-E

I did some homework and the C is for 2.8L 30V engine 98 and 99, thus the E is also for the 2.8L 30V engine but 2000,2001.

Logically thinking the E should work as well right??

any feed back would be so appreciated.

Hans 911
FKH161

Posts: 6,346
Registered: 12/29/05
Re: 98 audi A6 2.8L Q - Mass Air Flow Sensor
Posted: Jan 28, 2010 10:18 PM   in response to: Hans911 in response to: Hans911
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The harness plugs are different... one is a 3 wire the other a 4 wire (if I looked it up right).
Hans911

Posts: 2
Registered: 01/28/10
Re: 98 audi A6 2.8L Q - Mass Air Flow Sensor
Posted: Jan 29, 2010 8:31 PM   in response to: FKH161 in response to: FKH161
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yes ur right, i see now...

but what is the extra cable for?
FKH161

Posts: 6,346
Registered: 12/29/05
Re: 98 audi A6 2.8L Q - Mass Air Flow Sensor
Posted: Jan 29, 2010 9:30 PM   in response to: Hans911 in response to: Hans911
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My initial post was based on seeing pictures of the MAFs & their connectors.

Further googling found posts of 4 to 3 wire MAF conversions (Audiworld.com)... supposedly the first 3 wires of the 4 wire is all you need. You still have to decide how you will match-up the MAF with the harness plug.

If you are willing to "modify", then give the 4 wire MAF a shot.

I'd stick with stock parts, even if it cost more.

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