Cannot get Check Engine light to light, all other lights will work with digital led probe? Bad module? Problem is engine runs 10minutes then dies, starts up runs 15 seconds dies, starts back up runs 5 seconds, won't start for maybe a minute or so. Any ideas?
mike
No check engine light
Discussion in 'Freightliner Forum' started by mike4237, Jul 10, 2013.
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make of truck?model year?engine?
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Didn't put a quarter in it!!!!!
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1998 freightiner 3406 cat engine
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Its a Freightliner 3406 cat engine...supposed to use the cruise control to check codes but no light. I took the light module out and can make all the other lights work with my probe but the CE light will not come on...shouldn't it come on when key first turned on?
mike -
light should come on for 5 seconds at key on.if not you are (1)missing power or ground to e.c.m.,check fuses in battery box.(2)e.c.m. bad.Unfortunately from your description i think it is #2.Good luck.
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Thanks, I backtracked to the computer and it is trying to tell the light to light (adding ground circuit) and I can read a 55 at the light board with my Digital LED probe...I am thinking bad board, but why the dieing?
mike
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