Wednesday, September 13, 2006

P1143 code for 2000 Jetta with 2.0 L engine but vehicle has no performance problem?

Question:

This code P1143-ecm load calculation cross check upper limit exceeded came on my scanner when the mil light appeared. There is no noticeable change in engine performance but I hate to see the mil light. This happened after my mechanic changed the mass sensor yesterday. How do I fix this?

ATS Advisor:

That code will come whenever the mass sensor that was replaced is not the correct one. Ask your mechanic to get the correct one and have it replaced again.

Tips:

To prevent ordering the wrong mass sensor, always give the engine code to match the part number of your mass sensor.

Reset the code after replacing the mass sensor.

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