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Replaced MAF-->still no boost :-(

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Old 05-11-2005, 01:07 PM
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Default Replaced MAF-->still no boost :-(

Last week, I was driving along and suddenly the car lost a majority of its boost. Feedback from the forum led me to believe that it was a dead MAF. BTW, the CEL was thrown. I don't have a vag-com so I went on a whim and swapped out the VW MAF in hopes that that was the problem. Nope. Car still feels the same, it's like it's not hitting the high boost between 3-4k rpm anymore, it's just flat. Anyone have any suggestions or ideas, PLEASE!? I have Revo SPS3 and Hyperboost HX DV.
Old 05-11-2005, 01:13 PM
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Won't really know until you pull the codes. Anyone who lives closeby with a vag-com?
Old 05-11-2005, 01:14 PM
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Default did you clear the CEL?

it will stay in limp mode until you clear it out. you can pull fuses 10,12,29 and that will get you out of limp. However, as Steve discovered, it will not reset your adaptation values. with a new maf, they should correct themselves though.
Old 05-11-2005, 01:16 PM
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Default Re: did you clear the CEL?

yeah the CEL is still on, don't have a VAG. is it bad to pull the fuses out like that?
Old 05-11-2005, 01:16 PM
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no unfortunately
Old 05-11-2005, 01:24 PM
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Default nope, I've done it numerous times...

with the car OFF, pull those fuses for about 10 minutes. That will get you out of limp.
Old 05-11-2005, 01:28 PM
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Default Evan - where are you? Cross-post over at AWNE and see if you can't get some VAG-COM help.

I'm away until Sunday, or I'd offer to get together and scan/troubleshoot with you.
Old 05-11-2005, 01:39 PM
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Default which fuses exactly?...

You said 10, 12, & 29 but they indicate that for those fuses, the fuse amp numbers are 15 and 7.5 but there are like 50 of the 15's, like a ton of bright blue 15's and a couple smaller dark green 15's. I think there are only a couple 7.5's. Do I need to pull them all out??
Old 05-11-2005, 01:40 PM
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Thanks Doug!
Old 05-11-2005, 01:51 PM
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Default no, no, those are the position numbers of the fuses...

there should be a "map" on the panel or in the owners manual that show you where they are. They are the fuses that represent the OBD system and engine timing.


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