Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published

JAN 01, 2004

NHTSA TSB #

10009666

TSB Document

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# 3055.

Summary

SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT