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 with smoke machine
hc are perfect at 1ppm
o2 is pefect at 0.06
lambda is perfect at 1.003
Vacuum in manifold is 15 inches of mercury
Map sensor is working
Can anybody help
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polo 1.2 3cyl wont hold revs steady
Chat about your 9n Polo (inc GT and Fun)
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