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bluebarry1964b's avatar
bluebarry1964b
Explorer
Jul 10, 2013

"Check Engine" light on after flushing radiator

I emptied, flushed (using water only) & refilled my radiator with coolant (2003 Holiday Rambler Neptune, Cummins engine). Now the "Check Engine" light stays on. 1) Is this normal & the computer ju...
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hershey's avatar
hershey
Explorer
Jul 10, 2013
With that kind of a quantity of coolant, I assume (I know I shouldn't assume anything) that its a diesel.
Not an authority but there is a air bleeder valve on diesels somewhere on the very top or upper area of the engine to allow you to completely fill the void with coolant and bleed off the air.

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