check engine light on

Asked by hardysgal May 08, 2015 at 09:14 PM about the Cadillac CTS

Question type: Maintenance & Repair

It gave a code that the injector was bad, so we replaced it and it didnt correct anything.  
We asked the dealer what could be wrong and they said its the tranny.  The car runs
rough, like its missing.  But a tranny? they said its common-what has anyone heard

1 Answer
143,825

T_S_T answered 9 years ago

Have you checked the coil at that cylinder you replaced injector at?It will give a code for the injector,but it will be the coil.

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