Thread: 400E diag codes
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Old 12-28-2001, 03:40 PM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Code 4 is related to air injection system(smog pump). Code 9 is for the intake air temp sensor(behind lt headlamp).
4 seconds to bring up the code & 8 seconds to erase would be correct.
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