OXSGEN SENSOR PROPLEMS

2002 Volkswagen Golf

Tiny

samer600

December, 7, 2012 AT 2:50 PM

Oxsgen sensor proplems

FOUND 16389 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
134 IMAGES

4 Answers

Tiny

exovcds

December, 7, 2012 AT 3:17 PM

What engine?
Which O2sensor? You have more than one.

Thomas

Tiny

exovcds

December, 8, 2012 AT 12:38 AM

What is the trouble code you pulled from the ECM. If that's what made you think you have an O2 problem.

Thomas

Tiny

samer600

December, 9, 2012 AT 2:00 PM

Hi my engine is sr 1600cc 8v rpm is up and doun in cold start

Tiny

exovcds

December, 9, 2012 AT 6:19 PM

Have someone check the basics: - stored trouble codes (warning light does not need to be on for a code to be stored)
- vacuum leaks
- throttle body (check for dirt build-up, clean and adapt (if applicable)
- temperature sensor (correct resistance when cold)
- fuel pressure
- fuel flow (demand from the engine) is different when the engine is warm. Maybe not enough when cold.
Etc.

Too many things that could be at fault that I / we can not check over the internet.

Thomas

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