No power to air pump? - VW Forum :: Volkswagen Forum
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post #1 of 19 (permalink) Old 01-20-2012, 08:36 AM Thread Starter
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No power to air pump?

Can anyone tell me which fuse and/or relay controls the Secondary Air Inj pump? I tested the pump, it works but for some reason the ECM is not turning it on or it is not getting power to it. I checked all the fuses batt box, fuse panel, etc. I am thinking the relay not working? Could not find which relay controls this air pump. Anyone know?

2002 Jetta 1.8T Auto Trans
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2004 Jetta 1.8T Auto Trans 95k miles
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post #2 of 19 (permalink) Old 01-20-2012, 08:48 AM
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Someone will chime in.


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post #3 of 19 (permalink) Old 01-20-2012, 12:38 PM
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^^^ What he said.

But maybe you can look in the manuel of your car and see if you can find anything there.

If not someone that knows will help as soon as posible.


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post #4 of 19 (permalink) Old 01-20-2012, 12:41 PM
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^^^ What he said.

But maybe you can look in the manuel of your car and see if you can find anything there.

If not someone that knows will help as soon as posible.


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Magnaflow Duel exit Exhaust, Cooper STT 31x10.5-15 Tires.
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post #5 of 19 (permalink) Old 01-20-2012, 03:40 PM
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go to mk4 quick reference sticky.

click mk4 bentley manual download link (mega upload).

you will have a 2000 page adobe pdf file repair manual.. and it will solve all your issues.

not sure which fuse / relay it is.

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post #6 of 19 (permalink) Old 01-20-2012, 05:10 PM
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just delete that ish no?

is it necessary for 1.8T's? I know it's not for VR6's...

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post #7 of 19 (permalink) Old 01-20-2012, 05:11 PM
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its necessary for emissions..

mines deleted tho.. ahha

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post #8 of 19 (permalink) Old 01-20-2012, 05:14 PM
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its necessary for emissions..

mines deleted tho.. ahha
whatya mean necessary for emissions.... necessary for a visual inspection?

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post #9 of 19 (permalink) Old 01-20-2012, 05:15 PM
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no.. in pennsylvania they hook ur car to a computer.. which runs a bunch of tests n shyt..

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post #10 of 19 (permalink) Old 01-20-2012, 06:50 PM
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catch can solves that problem anyway doesn't it?


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post #11 of 19 (permalink) Old 01-20-2012, 08:07 PM
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y is tht bentley manual seized


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post #12 of 19 (permalink) Old 01-20-2012, 08:33 PM
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catch can solves that problem anyway doesn't it?
No, but this will help:

PostReleased SAI/EVAP Delete Resistor (Rectangle plug)


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post #13 of 19 (permalink) Old 01-20-2012, 10:34 PM
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That is a fucking outstanding piece of plastic.

Adding that to my check list.


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post #14 of 19 (permalink) Old 01-20-2012, 10:48 PM
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Originally Posted by fukn_dubn_gti View Post
no.. in pennsylvania they hook ur car to a computer.. which runs a bunch of tests n shyt..
hmmm yeah we have tail pipe sniffers here although I think they'll be switching to the computer system soon

am I gonna be in shit?

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post #15 of 19 (permalink) Old 01-20-2012, 11:42 PM
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y is tht bentley manual seized
according to a post in the "goodbye internet" thread, it was seized by the FBI

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