To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Chevrolet has TTY equipment available at its Customer Assistance Center. Any TTY user in the U.S. can communicate with Chevrolet by dialing: 1-800-833-2438. TTY users in Canada can dial 1-800-263-3830.
Customer Assistance
OfficesSpark Plug Inspection Engine Control
Spark Plug UsageEnsure that the correct spark plug is installed. An incorrect spark plug causes driveabilityconditions. Refer to the Electronic Parts Catalog.Spark Plug InspectionInspect the terminal post (1) for damage.Inspect for a bent or broken terminal post-(1).Test for a loose terminal post (1 ...