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Need help with 17545, 17547

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Old 10-05-2007, 07:16 AM
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Default Just did another run after cleaning and values never get higher than
180. Just for kicks going to replace the air filter to see if that makes a difference. The one in the isn't that old but who knows. Much cheaper than a MAF..
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Old 10-05-2007, 08:14 AM
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New air filter no change. Looks like I need a MAF..
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Old 10-05-2007, 10:52 AM
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Default Try propane or a spritz of carb cleaner around all joints and hoses before jumping there
try to keep whatever you use from around the airbox or the snorkel.
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Old 10-05-2007, 10:56 AM
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Default Will do, will also do a pressure test. Question does the actual MAF
reading come from the MAF or down stream at the throttle body?
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Old 10-05-2007, 02:07 PM
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??? MAF reading is the airflow through the sensor.
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Old 10-05-2007, 05:40 PM
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Default Could you log the goup 001(lambda) and 002 (MAF & fuel injection time) at idle when car
has warm up and AC is turned OFF ?
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Old 10-06-2007, 05:38 AM
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Your MAF is deader than a door nail unless you stuck your engine in a mud bog recently!!
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Old 10-06-2007, 05:40 AM
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Default Don't bother....if you had a major leak...
....the intake wouldn't build boost so your MAP values would be low too.
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Old 10-06-2007, 05:48 AM
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Default That's funny.....I've ran plenty of 2.7T's w/o a MAF.
On a related note, the only thing I've ever really accomplished cleaning a MAF is wasting 30 minutes of my life.
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Old 10-06-2007, 07:18 AM
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Default Just pressure tested and there is a pretty good leak. Of course
its not in one of the usually places. The leak is on the RH side, could be intercooler, intercooler hose, wastegate actuator line, or turbo pressure balance line. It will be interesting to see if I have 2 issues or just a leak.. Will post later..
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