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Cat Man
Cat Man, Cat Engine Expert
Category: Medium and Heavy Trucks
Satisfied Customers: 8912
Experience:  I am ASE Master Truck Certified.
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Go an 06 C9 335 hp caterpillar around 400,000 since last

Customer Question

Hi there go an 06 C9 335 hp caterpillar around 400,000 since last heui pump lately seems to be lost for low end power more so than usual filter changed at 12,000 for the last six yrs the code that comes up 25,boost sensor or short in same or bad ground
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Cat Man replied 1 year ago.

Thanks for asking your question and requesting me. I will try and help you out.

So you have low power and a code 25 boost sensor correct?

Expert:  Cat Man replied 1 year ago.

Does the engine light stay on all the time? Or just when you unplugged the boost sensor?