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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8764
Experience:  I am ASE Master Truck Certified.
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Cat c13 fault code 128:fo2 pid111_a 05 international 9400

Customer Question

Cat c13 fault code 128:fo2 pid111_a 05 international 9400
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Cat Man replied 1 year ago.
Hi. Thanks for asking your question! I will try and help you out.
128 indicates there's an engine code. 111-2 indicates there is a coolant level sensor fault. I have seen this many times. Most likely a failed coolant level sensor but could also be the harness that connects to the sensor.
Please reply back if you need more help or have more questions. I am happy to assist.
Expert:  Cat Man replied 1 year ago.
Hey. I just wanted to see how things were going. Please let me know if you need more help. I am happy to assist. If my information was helpful, please leave a good or higher rating so that I receive credit. Thanks.

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