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-   -   Could a weak battery cause a Check Engine light? (http://www.peachparts.com/shopforum/tech-help/356473-could-weak-battery-cause-check-engine-light.html)

mrdjsk 06-23-2014 10:46 AM
Could a weak battery cause a Check Engine light?
 
I'm getting a Check Engine light on my 1995 A124 (wiring harness replaced, by the way). It's the #10 code: Low/High voltage to Mass Air Flow Sensor.

I also have a so-so battery. I'm wondering if the battery could cause this code.

The car drives fantastically and the code has only recently shown up.

Thanks for any insight out there.

Elektri 06-23-2014 10:59 AM
What is the battery voltage with the car off?

And what is the battery voltage with the car running?


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