P1131 1998 Mazda 626 -EricTheCarGuy

P1131 1998 Mazda 626 -EricTheCarGuy


P1131 1998 Mazda 626 -EricTheCarGuy

Posted: 02 Jan 2015 04:39 PM PST

P1131 is a code for an O2 sensor that has pegged lean. It some cases this means you have a bad O2 sensor, but sometimes it could indicate a vacuum leak, an exhaust leak, an injector that isn't...
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