toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Idle Speed > < Air/Fuel Mixture|System Diagnosis
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If the CO/HC concentration does not comply with regulations, troubleshoot in the order given.
1) Check the A/F sensor or heated oxygen sensor operation.
2) See the table for possible causes, and then inspect and correct the applicable causes if necessary.

Idle Speed > < Air/Fuel Mixture|System Diagnosis