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2001 Toyota Solara

 

Question: why does my car idle rough in the morning for about 25sec

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merkur11520, 2.2L 4 Cylinder, Freeport, NY, July 03, 2009, 11:16
 Rookie

it all started when my check engine light came on. i took it to toyota and they told me its the air fuel ratio sensor. before replacing the sensor, i tried taking one of the battery leads of to reset the code. but after i put the battery lead back on. the car started idling rough like it was going to stall. other than that the car runs perfectly. i changed all the spark plugs,oil change, new air fuel ratio sensor, throttle body clean up snd engine coolant flush

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  • Answer #1

    dandd July 03, 2009, 14:46
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     Master

    A very common thing on Toyota is that the Idle Air Control motor wears out. It will cause a rough idle, especially in the morning. Sometimes you can clean them but often they have to be replaced. Who did the Air/Fuel ratio sensor? It is absolutely critical to get just the right one. Toyota has factory updated this part so an after market one is risky.

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  • Answer #2

    Visitor, May 04, 2011, 15:39

    Check your egr valve

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