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Old 01-17-2016, 09:58 AM   #1
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Won't start

Been cranking motor home every week went out to crank this week just turns over and over no start. What would cause this so quick. 2000 Newmarket diesel
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Old 01-17-2016, 10:03 AM   #2
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You need spark, fuel and air to burn.
Diesels supply 'spark' just by compression - we'll assume that's not the problem.
So you're lacking either fuel or air.
Check the fuel filter(s), and make sure there's nothing obstructing airflow to the breather.
Personally I'd start with the fuel filter(s).
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Old 01-17-2016, 10:11 AM   #3
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How cold is it?
Block or pre heater?
Probably nothing wrong just to cold, warm it up with the block heater and crank it with half throttle. If it is flooded it will chug and smoke like a crop duster.
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Old 01-17-2016, 11:29 AM   #4
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Quote:
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Been cranking motor home every week went out to crank this week just turns over and over no start. What would cause this so quick. 2000 Newmarket diesel
Well,
Your description of accounts is a bit vague. "been cranking this motorhome.....

Are you saying that you were just "cranking it" or, are you or have you been actually STARTING IT and letting it run? Or, did you just start it and immediately shut it off? If you've started it, did you let it get to operating temps before shutting it down? Have you had any troubles at all, starting it in the past? Was ANYTHING different this time other than it won't start? Another words, did it crank slower? Are you waiting for the "Wait to start" light to go out on the dash, that is if you have one?

When was the last time you changed any fuel filter(s)? Speaking of that, are you sure you HAVE FUEL? Oh, one more thing, "Newmarket" motor home? May I ask, who makes that or, is that the manufacturer? And, EXACTLY which diesel do you have?
Scott
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Old 01-18-2016, 12:18 PM   #5
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Been starting it every week with no problem but last time no start just turns over no start question is can a fuel filter go out so quick with no warning thAnks tommy
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Old 01-18-2016, 12:44 PM   #6
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Hi Tommy,
Without a some basic information and a better description of you problem, I don't think you will get much of a response. At least tell us what coach you have and what engine.
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Old 01-18-2016, 01:14 PM   #7
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Been starting it every week with no problem but last time no start just turns over no start question is can a fuel filter go out so quick with no warning thAnks tommy
No, not unless it's filled with Ice.
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Old 01-18-2016, 02:48 PM   #8
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If you are only starting and not taking it for a drive I would not start it at all. Diesels should be brought up to operating temperatures and idling is not enough to bring it up to temperature.

Simply cranking and idling for a short period could deplete your starting batteries enough that they do not have enough capacity to turn over the engine at the required rpm to fire. If you are plugged in then your starting batteries may be charged by a companion charger, if your coach is equipped with one....

Maybe you can provide more information of why you are starting it each week.

My thoughts.
Brian
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Old 01-21-2016, 04:43 PM   #9
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You definitely should NOT be starting your engine just to let it run for a while. If you don't actually drive it so everything gets up to operating temperature, you are doing more harm than good.
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Old 01-21-2016, 06:01 PM   #10
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Won't start

The fuel gels up in cold weather without the right additives ... If it's cold where you are, that would be my guess.


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