Tried connecting tooling for IMPCO Spectrum on GM 4.3.Had a connection @ CAT give me some paswords but was not able to link.truck serialAT88A00051.
Truck is giving high CO.Problem started suddenly.Changed O2 sensor. Warning light came on while running after changing sensor. Key on engine- off light blinking once. disconnected battery & warning light is off now. Need to prove to customer truck is safe to use.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.