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internal88
internal88, BMW Mechanic
Category: BMW
Satisfied Customers: 2543
Experience:  I have an Automotive Engineering Degree and also work for an Automotive engineering company since 2003.
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550I: SERVICE ENGINE LIGHT IS ON ..AUTOZONE SAID IT COULD BE

Customer Question

SERVICE ENGINE LIGHT IS ON ..AUTOZONE SAID IT COULD BE CONVERTER OR 02 SENSOR BUT COULDNT PINPOINT WITH THEIR SCANNER ANY SUGGESTIONS?
Submitted: 1 year ago.
Category: BMW
Expert:  internal88 replied 1 year ago.
Hello, I'm Brandon - BMW tech.
If you have the code I could help you pin point the problem.
Do you have a Laser Temp-Gun to pinpoint the converter?
Customer: replied 1 year ago.
No my son has the car. The guy erased it and the light temporarily went off after about 40 miles it came back on
Customer: replied 1 year ago.
I can get a temp gun. What should I look for when I shoot the temp on the converter?
Expert:  internal88 replied 1 year ago.
I need you to aim the gun at the pipe before and after converter. Record the temperature.
If the temperature is the same then you have converter problem.
If you can get the code , it will very helpful.
Expert:  internal88 replied 1 year ago.
Make sure you warm up the car first before checking the temperature.