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Check light




By eiabach on Oct 29, 2009

" "
my mitsubishi challenger gdi heats check engine light when it gets ho it also have a engine knock can that be the cause

Clarification Request

Posted by emissionwiz on Oct 29, 2009

read your post, makes no sense my mitsubishi challenger gdi heats check engine light when it gets ho it also have a engine knock

Solution #1

posted on Nov 03, 2009
Not Rated)

rnb_tnt

Rank: Guru  Cars  Expert
Rating: 92%, 25 votes
the check engine light should come on when the knock sensor light comes on. try a higher octane fuel, or try fuel with no ethenol in it. most fuel companies have begun adding ethenol, which causes a light spark knock in some cars, octane level is too low.

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