Every morning when the engine is cold and when the engine warms up for the day it runs great
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2003 Mazda Tribute
Question: Why does my vehicle idle rough after cold start but runs great when engine hot
Answer #1Greg's Orange Auto (8395 Answers) , Orange, CA - (714) 361-9355globalhelper December 07, 2012, 07:14Master
do you have a ck eng light on?
ReplyBelizean, December 07, 2012, 07:19Rookie
Yes the check engine light was on but then i replaced all the oxygen sensors as one mechanic checked with the OB2 reader and now the lights are off but my vehicle still does the same when i start in the morning time until it get hot
Replyglobalhelper, December 07, 2012, 08:00Master
what were the codes and fuel trim readings?