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P012f ecodiesel

Ben12345

New Member
Feb 24, 2021
1
0
Truck Year
2016
Hey guys I have a stock 2016 ram AM getting the trouble p012f. Research isint turning up much any ideas?
Truck sat for 2 days. Air temp was 1deg Celsius. It had extended cranking time to start When it did start it went to high idle and after a couple seconds went back to low idle. Coolant temp gage did not register for duration of trip, and was in limp mode. Didn't notice limp mode till was almost done trip. There was another light on, was the red lightning bolt with a line on either side.
Last time this happened about a month ago dealer changed 3 way coolant valve and temp sensor for coolant. But there was 2 codes that time. Can't recall what they were. Looking for input before I spend more at the dealer on this.
tia
 
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