Thread: Code P0203 Hesitation during Acceleration
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Old 02-03-2023, 08:13 PM   #5
gtstorey


 
Drives: 2010 Camaro SS2,L99, LSA SC
Join Date: Aug 2017
Location: Huntsville, AL
Posts: 2,438
Following up. The service manual confirms P0203 is injector, wiring or ECM.
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