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Home >> Chevrolet >> 1989 >> Cavalier VL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L(K)/2.5L Tests W/Codes >> Description >> Code 45 - Rich Exhaust Indication >> EGR Problem
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EGR Problem

EGR valve sticking open at idle is usually accompanied by a rough idle and/or stalling. If Code 45 is intermittent, see INTERMITTENTS in the CCC TESTS W/O CODES article in this section.

Fig 1: Code 45 Schematic, Rich Exhaust Indication
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Fig 2: Code 45 Flow Chart, Rich Exhaust Indication
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