AudiWorld Forums - Damn 4-4-3-1 code... ISV will be the death of me!

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- - Damn 4-4-3-1 code... ISV will be the death of me! (https://www.audiworld.com/forums/audi-90-80-coupe-quattro-cabriolet-22/damn-4-4-3-1-code-isv-will-death-me-2115341/)

Catamount90

12-17-2005 02:32 PM

Damn 4-4-3-1 code... ISV will be the death of me!

I hate you, ISV.

AudiSport4000

12-17-2005 02:58 PM

I dont even have an ISV anymore :)

AMorris

12-18-2005 05:28 AM

isnt that also the code for a air leak

I was getting the egr code and I think the code for the isv(also large quantity air leak) and it turned out the the egr valve was sticky and the vacuum hose connection on the egr valve itself was not good so I manully acctuated the egr valve (blowing and sucking on the vacuum line) until I could here the valve working and then I replaced the vacuum hose with some high quality, smaller diameter stuff and POOF!!! codes begone!!!!!!

Luxus Panzer

12-18-2005 05:39 AM

why not?

cuatrokoop

12-18-2005 06:08 AM

'Cause he got sick of it giving him problems on the 10vt...

AudiSport4000

12-18-2005 08:06 AM

Correct as always :)

cuatrokoop

12-18-2005 08:54 AM

I wouldn't say always.... :-p

Catamount90

12-18-2005 09:29 AM

Interesting....

Thanks for the tip - I know my vacuum lines are suspect.

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