Rick's Free Auto Repair Advice

Rough idle P0171 P0300 P1174

Fix rough idle P0171 P0300 P1174

Engine runs rough, P0171, P0300, P1174 on Saturn Ion

GM has issued a technical service bulletin (TSB) 08-06-04-001 to address engine Rough idle P0171 P0300 P1174 problems on 2006-07 Chevrolet Cobalt and HHR, 2007 Pontiac G5 and G6, and 2006-07 Saturn Ion with the 2.4L engine. The engines in these vehicle may experience injector clogging that results in rough operation and trouble codes P0171, P0300, P1174. GM advises that if one injector is plugged, you must replace all injectors with an updated version (Part 12602480) and reprogram the PCM. Do not try and clean the injectors. And replacing the injectors without updating the PCM will cause the trouble codes to return

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat


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