GMC TSB #3354
2003 GMC Sonoma
Affected Component: ENGINE AND ENGINE COOLING:ENGINE
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 3354.
- Summary
- SERVICE ENGINE SOON (SES) LAMP ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P0442 STORED IN POWER TRAIN CONTROL MODULE (PCM) MEMORY. P0442 DIAGNOSTICS IN SERVICE INFORMATION MAY NOT DETECT A LEAK IN THE EVAP SYSTEM. *TT