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Hello all

I have a Chevrolet Lacetti 1.8 Auto (ZF 4HP16), I purchased the car with 45905 Miles in May this year, so far I have only done 4000 miles in it.
I have P0122 TPS, Low Voltage on the scan tool.

Now I changed the sensor in early June and has been fine since until about three weeks ago, it started to rev high again in P,N and sometimes in D. Max rev about 1900RPM.

I cleaned the throttle body about a week and half ago and ran fine for about 4 days, then started to play up again. Now when its in drive, the transmission doesn't make any bad sound or any clunking.(I serviced the Auto trans when I purchased the car), and shifts fine.

Could it be a bad wire and if so, where can I buy any new wire assemblys.

Any help would be helpful.

Thanks, kind regards.

Lawrence
 

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Suggest that you get the vehicle checked by a qualified Auto Electrician.

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