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Discussion Starter · #1 ·
Hi All,
Have only recently joined Club Touareg but have read extensively a lot of the posts. Invaluable. I purchased a 2008 R5 about a year ago and love it. Recently I had a check engine light so plugged in a code reader to find PO671. Glowplug cyl 1.Changed glowplug and re-set. CEL came on again soon after. Pulled the lead from cyl 2 and checked voltage when cold starting. 7 volts. Checked voltage on lead to cyl1. ..about 3.5 volts! Does anyone have any clues as to my next move? Could this be the glowplug wiring harness or even a dirty contact in the harness plug? Hope someone can assist.
 

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change the glowplugs and glowplug harnass.
 

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There is also a UK site where there are a lot more R5 owners.

www.mytreg.com
 

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Discussion Starter · #6 ·
Changed the glow plugs and plug harness. has been a week now with no CEL. Success I think. Thanks for the advice.
Stuart
 

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good news! :)
 
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