Hello I have a 2005 freight-liner classic with a Detroit. The truck gets a check engine light that comes on when i hit the brakes but goes away when driving normal on interstate. I have changed the truck oil and everything cant seem to figure it out.
PLEASE HELP Freightliner Classic CHeck engine
Discussion in 'Trucks [ Eighteen Wheelers ]' started by united972, Jan 31, 2017.
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What's the fault code? You changed the truck oil and everything? Define "everything".
Which check engine light? Is it just an outline or solid yellow engine icon? Or does it say check engine or have a picture of a wrench in it? -
is the jake on when you hit the brakes
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could be the tps sensor fuel pedal
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yea I was thinking when he leaves off throttle to hit brake I had a tps that worked fine except idel just an idea
I don't think the abs trips the cel light could be wrong -
could it be low coolant ? when braking coolant briefly loses contact with sensor?
Joshua Parsons Thanks this.
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