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- - Trouble codes 98 1.5L (https://www.mazda3club.com/2nd-gen-engine-drivetrain-58/trouble-codes-98-1-5l-43021/)

mike e

August-30th-2006 10:03 AM

Trouble codes 98 1.5L

'98 1.5L 5spd has CEL intermittent (sometimes won't see it for weeks). Car runs great, other than occasional stumble at idle with AC on. Autozone says I have 3 codes: multiple misfire detected, idle control system malfunction, warm up catalyst below threshold (this one is new, others for past 6 months). Where to start?

macdaddyslomo

August-30th-2006 11:10 AM

check the IAC and 02 sensor

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