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Trucker Forum - Trucking & Driving Forums - Class A Drivers (https://www.classadrivers.com/forum/)
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-   -   Charge air cooler?? (https://www.classadrivers.com/forum/truck-maintenance/25771-charge-air-cooler.html)

bob h 03-24-2007 11:12 AM
Quote:
Originally Posted by marcel27208
checked codes 2day...... the red engine protection is flashing '25'.... know what that means??

"no faults found"

marcel27208 03-24-2007 12:03 PM
ok good........ but my engine protection light will faintly come on every so often... it has done it 2-3 times this past week....its not lit up all the way its kinda just faintly on and it will bounce on and off for about 10 minutes then not do it anymore!??? may it be a sensor or something loose???

bob h 03-25-2007 01:34 AM
Quote:
Originally Posted by marcel27208
ok good........ but my engine protection light will faintly come on every so often... it has done it 2-3 times this past week....its not lit up all the way its kinda just faintly on and it will bounce on and off for about 10 minutes then not do it anymore!??? may it be a sensor or something loose???
the ecm commands that light either on or off by applying ground to the bulb. if it's dim or flickering, you're probably back to a wiring problem... check those ecm connectors

also, check for teflon tape on the retaining bolt threads of one of the forward side (large) ecm connectors

marcel27208 03-25-2007 01:37 AM
is the ECM located around the coolant resevoir on my engine?

bob h 03-25-2007 02:00 AM
Quote:
Originally Posted by marcel27208
is the ECM located around the coolant resevoir on my engine?
no. midway down the cylinder block, just above the oil pan

some of the connectors are secured by snap-type locks, others are held in by a bolt at the center of the connector body

take a look at the seals around the back of the connector before you remove the connector

Birken Vogt 03-25-2007 03:30 AM
If the light is flickering dimly, as in getting intermittently grounded, and no codes are showing, I would not look at connectors for a loose connection, rather I would look at rubbing points of the harness for an intermittent ground...it can be a real PITA to find these things

Birken

marcel27208 03-25-2007 05:36 PM
now its flashing on chk engine light code '62'...whats that code mean???


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