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What the heck is up with these codes.? LTFTs don't look that rich. MAF? Leak?

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Old 08-25-2008, 07:55 PM
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Default What the heck is up with these codes.? LTFTs don't look that rich. MAF? Leak?
Monday,25,August,2008,20:28:37:16665
VAG-COM Version: Release 704.1

Address 01: Engine
Control Module Part Number: 8D0 907 551 M
Component and/or Version: K0463085-93 G04 CPT4
Software Coding: 06711
Work Shop Code: WSC 79415
3 Faults Found:
17538 - Fuel Trim; Bank 2 (Mult): System too Lean
P1130 - 35-10 - - - Intermittent
17545 - Fuel Trim: Bank 1 (Add): System too Rich
P1137 - 35-10 - - - Intermittent
17547 - Fuel Trim: Bank 2 (Add): System too Rich
P1139 - 35-10 - - - Intermittent

Readiness: 0000 0000



<img src="http://tlcpropmgmt.com/audi/LTFTs_082508.jpg">
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Old 08-25-2008, 08:21 PM
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Whoa...those fuel trims are horrible... I thought 15% was the max adaption?
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Old 08-25-2008, 08:22 PM
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Max is +/-25%, CEL normally thrown at +/- 20%
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Old 08-25-2008, 08:33 PM
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Looks like a MAF but rarely see Hitachi ones go bad. How are your DV's?
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Old 08-25-2008, 08:37 PM
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DV's have recently been checked (Maintenance). Forge 007's.
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Old 08-26-2008, 04:35 AM
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Pretty sure codes are thrown at +/- 15% and CEL at +/- 25%
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Old 08-26-2008, 06:21 AM
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Bruce what intake is on the car? If stock, does it have a hole cut out?
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Old 08-26-2008, 07:05 AM
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Stock airbox, has hole cut out.
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Old 08-26-2008, 12:37 PM
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Default hmm vac leak around the maf maybe ? did you check the connections
you do have the rubber pieces around the MAF right?
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