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Re: Exhaust Fluid Quality Poor
Posted to Technical Discussion Forum on 1/11/2020 8 Replies

These can be a bear. Very important that the ALER is correct. Use a scan tool and run the test. The air filter good? . Run all three DEF heaters for 30 seconds. Also what is the engine temperature? If it isn't getting hot enough it wont run the test. I have fi... Login to read more.

8 Replies Received (View Replies)