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What does engine code p1136 mean on a 2001 vw jetta?

P1136 is an engine code that indicates a problem with the oxygen sensor (O2 sensor) in your 2001 VW Jetta. The O2 sensor is responsible for monitoring the amount of oxygen in the exhaust gases and adjusting the air-fuel mixture accordingly. When the O2 sensor is faulty, it can cause the engine to run rich or lean, which can lead to a number of problems, including:

* 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.