Mazda MPV This minivan was among the class leaders with its roomy interior and efficient powertrain.

CEL and dead battery

Old 08-26-2007, 08:43 PM
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Join Date: Aug 2007
Posts: 2
Default CEL and dead battery

When we got back from vacation, the battery in my 2000 MPV was dead (kids left the dome light on). When recharged and started, the Check Engine light was on? Another interesting coincidence is that the van was at 98,980 miles.

Is this some kind of glitch from the battery, or possibly a preprogrammed 100K service notification? As I don't have diagnostic tools, where can I get the error codes read and interpreted without getting ripped off?

Thanks for any help.
Old 08-27-2007, 09:11 AM
Senior Member
Join Date: Aug 2007
Posts: 1,324
Default RE: CEL and dead battery

Most likely it will be o2 sensor preheater codes as a low battery will trigger that code. The heaters do not get enough juice to heat up properly setting a code. Disconnect the battery and step on the brakes to clear the codes.
Old 08-31-2007, 03:58 PM
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Join Date: Aug 2007
Posts: 2
Default RE: CEL and dead battery

This worked, and the CEL is gone. THANKS!!
Old 12-05-2007, 12:36 AM
Join Date: Dec 2007
Posts: 2
Default RE: CEL and dead battery

What year of MPVs does the code clear work on?
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