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Discussion Starter #1 (Edited)
I have been having issues with my 2003 GMC Envoy the VVT 4.2, I have continually been getting theirs error and according my ODII and possible repairs I have done a ton of them and it’s still throwing the same error I need some professional help or opinion on what I need to d9 to remedy this first I will tell you what I have replaced and done starting with the replacement of the
ACDelco OEM vapor canister vent valve
ACDelco professional vapor canister purge valve
DOICOO Manifold absolute pressure MAP Sensor
OCPTY Camshaft position sensor
ACDelco air cleaner temperature sensor
Dorman crankshaft sensor
LSAILON Throttle body
I’ve also put a set of new coil over plugs and a set of new plugs in it as well And after all that the cruise control stopped working needless to say I continually get that error can anyone help me with this any feedback is appreciated and I will attach a pic of the codes being given
54776
54777
 

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Discussion Starter #2
Also have pit a set of the coil over plit’s not and a set of new plugs in it as well
 
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