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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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Passin_Thru's avatar
Passin_Thru
Explorer
Jul 13, 2013
IF you rinsed the engine down or moved wires, check to see if water migrated into one connection and nothing is loose. See Wolfe10s note. After warmup, drive it around some and also, it may take 3-4 ignition cycles to reset the eng ck lite. Smell could be some you spilled boiling off the top of engine.

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