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Q:

trouble code po128 on 2006 Chevrolet Colorado

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
engine light... had issue with the camshaft sensor and the crankshaft position sensor NOW PROBLEM CODE PO128 HELP
(2) Answers
OBD II Code P0128 = Engine Temperature Has Not Increased and/or Reached the Correct Level Within a Specified Amount of Time After Engine Startup.

There is a very good article in the RepairPal Encyclopedia about it here; http://repairpal.com/OBD-II-Code-P0128