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Old 12-28-2017, 01:05 PM   #1
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Check engine alarm, 05 newmar essex

I have a reoccurring check engine light and alarm, just headed out to head south from Canada and the alarm is driving me crazy. Everything is functioning normally, all fluids recently changed coolant topped up, I'm sure it is fine to drive, but I need to figure out how to disconnect the alarm until I can get to a service centre and get them to plug it in. Just wondered if anyone knew how to get to the alarm and where it is located? I can silence it for a few minutes by pressing the set button on the speedo, but it just comes back on.
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Old 12-28-2017, 01:44 PM   #2
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Sorry I can't help with the problem! Keep her between the ditches!

Good luck, happy trails, and God bless!
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Old 12-28-2017, 01:49 PM   #3
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I discourage disabling an alarm meant to warn you of engine damage or a safety issue, but can't you track its location by the sound? Using a towel or rag, blocking the noise or making it change should narrow down its placement. Then look for the wires going to it and disconnect or cut the wire should silence it. If cutting the wire, try to do it in a place that allows splicing it back into action when you figure out what's been causing it to sound.
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Old 12-28-2017, 01:55 PM   #4
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Don't newmar have a tech support line for these kind of issues?

Certainly worth a try before disabling and potentially causing damage.
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Old 12-28-2017, 04:49 PM   #5
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There is no indicator icon or text identifying the reason for the check engine light/alarm such as Fuel H2O? If your engine oil is low you will get an check engine light/alarm even when you might think that the mark on the dipstick "isn't that low." All diesel engines use some oil over, say, a 2,000 mile run. That Cummins wants it filled to the mark.

Just a guess on my part. I hope you find the cause. The alarm can get real annoying.
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Old 12-28-2017, 10:36 PM   #6
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Check your owner's manual. There should be a way to pull the fault codes that are causing the alarm. Since you didn't specify the chassis, it's hard to give direct information.
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Old 12-28-2017, 10:42 PM   #7
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Here is a link for ESSEX OWNERS.
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