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About LinkBackscan the engine throw a code without the "check engine light" coming on?
can the engine throw a code without the "check engine light" coming on?
no.
but the engine can have a cel and "reset" itself thus shutting the light off and no code being saved.
however, a body or transmission code could *could* possibly be set without the cel being on.. however they typically set a light on for thier systems (airbag, transmission, etc).
It is also possible that the light could go off just by simple disconnecting the batter for 10 -15 minutes
yes, but you'll also lose the Fuel Adaptives (basically, the PCM will have to Relearn how your Right foot behaves; I.e: if you have a feather touch on the throttle, or if you are a Leadfoot.)Originally Posted by limcooo
You can have "pending" codes too. But you pretty much always have those
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