I have the vehicle listed above VZ v6 Executive 3.6l, "check power-train"warning light comes on dash. I had a GSCAN fault tool hooked up to it and it showed the following error codes and messages:
P0300 - Random/Multiple Cylinder Misfire Detected.
P0302 - Cylinder 2 Misfire Detected.
P0304 - Cylinder 4 Misfire Detected.
P0306 - Cylinder 6 Misfire Detected.
U0121 Lost Communication With Anti-Lock Brake.
U0415 Invalid data received - anti-lock brake system.
P0850 Park/Neutral Switch Input Circuit.
I have recently replace spark plugs after message comes after 5 days comes again
Replaced engine oil and filter.
Before change spark plugs when "check power-train" comes I feel engine vibrate and can't increase speed more than 90 KM/H.
Later after spark plugs replaced I feel car normal when "check power-train" come and car can move more than 100KM with out any problem.
have the same problem?
Monday, November 18th, 2019 AT 2:10 PM