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Old 09-04-2012, 06:31 PM   #1
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Join Date: Sep 2011
Location: Eureka, CA
Posts: 332
Garage
P0102 CEL Code won't go away.

So I bought this 2002 Boxster S about 4 months ago now. It developed an idle hunt and CEL about a month and a half after I bought it.

Originally I didn't mind, until it slowly got worse.
The idle hunt got extremely consistent so I finally decided it was time to fix it.

I do work for a specialized German Shop and therefor have great access to tools and parts!

I first checked the codes. The only one was:

P0102- Mass or Volume Air Flow Circuit, Low Input.

My other scan tool read the same code as "Hot Film MAF Sensor"... No idea wtf that means...

However; I proceeded to smoke test the intake, coming up with a leaking oil filler tube. Replaced that and seemed to remedy the problem for a day. When the idle hunt returned the next morning, I smoke tested it again, and found no more leaks.

Through the last few months I've smoke tested the intake a total of 4 times after fixing the leak, hoping another leak would develop which it never has.

I have also:
-Replaced the MAF sensor with an new OEM Unit
-Mapped all the Oxygen Sensors which map out perfectly.
-Replaced Spark Plugs (Due to mileage and desperation lol)

Maybe some one else has found this problem? Help
Mrmaddbrad is offline   Reply With Quote
 



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