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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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wolfe10's avatar
wolfe10
Explorer
Jul 10, 2013
Monaco can tell you the proper bleed procedure for YOUR system. Some are plumbed to automatically bleed (i.e. small diameter line from thermostat housing to reservoir) some need to be manually bled.

And your check light may be triggered by a "low coolant" sensor. Again, ask Monaco.

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