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Recently bought a used 2008 RTX with 155000 miles. Runs xlnt and very clean but with hi mileage i have changed all fluids and changed timing belt and radiator to be safe. I have no cel or pending codes but have a failed test in mode 6 : TID 4A which i understand translates to egr lift. Removed and cleaned egr but no change, also the other mode 6 tests for egr (49 and 4B) are ok (complete and passed).
So wondering if this means an egr or other problem down the road or something to ignore. Thanks.
So wondering if this means an egr or other problem down the road or something to ignore. Thanks.