P3400 Diagnostic Trouble Code Discussion for March 2023
Cylinder Deactivation System Performance
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| Help Request | Posted | |
| 2008 Chevrolet Impala LTZ 3.9L Cuts out, VIN: 2G1WU58318 P3400: Cylinder Deactivation System. I am including the above testing from later last night not fully perfect as It's Friday and we are swamped and I just wanted to get this out to see if anyone has dealt with this system or this engine. We will update testing Monday as we are going back thro... |
March 31, 2023 |
