* Increased fuel consumption
* Decreased engine performance
* Rough idling
* Stalling
* Check engine light illumination
If you see the P1136 code on your Jetta, it's important to have the problem diagnosed and repaired as soon as possible. Ignoring the code can lead to more serious problems down the road.
Here are some possible causes of the P1136 code:
* Faulty O2 sensor
* Damaged O2 sensor wiring
* Dirty or clogged O2 sensor
* Vacuum leak
* Faulty fuel injector
* Faulty mass air flow sensor
The best way to diagnose the cause of the P1136 code is to have a qualified mechanic inspect your Jetta. They will be able to use diagnostic tools to identify the source of the problem and recommend the appropriate repair.