Scion TSB #S-SB-0008-16

2013 Scion iQ

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
TSB: Some 2012 ? 2013 model year iQ vehicles may exhibit one or more of the following conditions: * Rough idle condition. * Idle speed momentarily drops at idle. * MIL ?ON? with one or more of the following DTCs: P1603, P1604 and/or P1605. These may be caused by excessive carbon build-up on piston head. Follow the Repair Procedure in this Service Bulletin to address this condition

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Date Published
OCT 20, 2016
NHTSA TSB #
10132874
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