Quote:
Originally Posted by Subey03
having same problem...with a 03 wrx drove to work parked as shutting off i see a check engine light pop up.....after work start it up...idles at around 2k then drops 1k and goes back up to 2k repeating this same process....the exhaust sounds like it has a slight sputter.....pulled maf no difference just a slight stumble when reconnected.
any ideas lol?
code is heater circuit low input or something
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bad o2 sensor.