Join Date: Aug 2001
Location: Tallassee, AL
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Charge air cooler is the inter cooler.
Charge Air Cooler Monitoring
The 6.7L engine is equipped with an air to water charge air intercooler. The CAC is on a secondary coolant loop, independent from the main engine coolant system. The temperature at the outlet of the cooler is measured as TCACDs, however the temperature going into the cooler is modeled.
To detect a CAC under cooling situation, the efficiency of the cooler is modeled at various speeds and airflows via a 3d speed/airflow multiplier table, providing a modeled cooler out temperature. Cooler efficiency * compressor out temperature = modeled cooler out temp. This modeled cooler out temp is then compared to the measured coolant out temp, if the difference is less than a threshold curve or greater than a threshold, a fault is detected and a P code is set.
Charge Air Cooler Monitor:
DTCs P026A - Charge Air Cooler Efficiency Below Threshold
P007E - Charge Air Cooler Temperature Sensor Intermittent/Erratic (Bank 1)
Monitor Execution Continuous
Monitor Sequence None
Sensors OK ECT, MAP, MAF
Typical Monitoring Duration 4 seconds for fault detection
Have you checked to see if you have a tube going to and from the inter cooler that is leaking? The 'cold air' return tube is know to rupture. Many install an aftermarket CAC return tube. I installed the kit from Rudy's. It is also possible the inter cooler is leaking.
2015 F350 Ultra Lariat 6.7L CCLB DRW 3.73 Limited Slip, Green Gem Metallic w/ Caribou accent, Camper Package, Titan 65gal tank, Rapid Heat, Block Heater, Upfitter Switches, Dual Alternators, Camper Package, Cable Lock, Husky Floor Liners, Spray in Bedliner, 5th Wheel Prep, 25K 5th Wheel Hitch, Ford Goose Neck Hitch.
Traded 2011 F350 XLT CCLB SRW 6.2L gasser 6,000 miles for 2015
Sold 1996 F350 XLT CCLB DRW 7.3L 208,000 miles