Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

P1235 and P0120

  • remops
  • remops's Avatar Topic Author
  • Offline
  • New Member
  • New Member
More
8 months 6 days ago - 8 months 6 days ago #89977 by remops
P1235 and P0120 was created by remops
I have a 02 Blazer that I have swaped a 03 Envoy 5.3 LS engine. Truck runs great and all gauges and systems work as they should. Problem is I am have a code set at first star after sitting over night or a 2-3hr sit. I have replaced the wire harness for the tac to Throtel body complete with new connectors. New AC Delco throttel body. New grounds . Any help would be appreciated       
 
Last edit: 8 months 6 days ago by remops.

Please Log in or Create an account to join the conversation.

Time to create page: 0.256 seconds