2012 buick enclave, p0021 code, swapped out vvt valves, e...
Responses
Nachum Wagschal
241 days ago
Good Morning ,
Did you replace the VVT Actuator?
Nachum Wagschal
241 days ago
If that didn't do it , it could be a stretched timing chain causing it .
These had problems and there were some software updates for the computer that they put out that may fix it
Customer
241 days ago
OK so the chevy house would have the software updates?
Nachum Wagschal
241 days ago
Yes i would try that first ,
otherwise its a pretty big job to do all of the timing chains ,
Customer
241 days ago
OK thanks
Nachum Wagschal
241 days ago
you are welcome
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2012 buick enclave, p0021 code, swapped out vvt valves, engine is still not burning off all fuel and rpms are still jerking around 100 rpms while in cruise. I don't feel a it during acceleration. Mechanic's Assistant: Have...
2012 buick enclave, p0021 code, swapped out vvt valves, engine is still not burning off all fuel and rpms are still jerking around 100 rpms while in cruise. I don't feel a it during acceleration. Mechanic's Assistant: Have you noticed an increase in fuel consumption? And how does the Enclave start—same as usual? Starts the same as usual, higher fuel consumption Mechanic's Assistant: Are you fixing your Enclave yourself? What have you tried so far? Myself, swapped vvt valves and there was no sludge on valves