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by lariusmaximus
Sat Apr 07, 2018 2:05 pm
Forum: MK6 (9N) Polo - Years 2002-2005
Topic: polo 1.2 3cyl wont hold revs steady
Replies: 0
Views: 1121

polo 1.2 3cyl wont hold revs steady

Hi guy's need a bit of help. 2005 vw polo 1.2. 3cyl
The car will not hold Rev's steady at 2500rpm for testing emissions
Only fault in car is for pre cat O2 sensor for heated circuit
changed sensor still the same
I have tried cleaning throttle body and re adapted... No change
no air leaks checked ...

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