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Old 08-15-2012, 09:55 PM   #15
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wow thank you all for quick response and all the info, as u can see i am a novice and your insight is helping me leaqn...Much Appreciated!

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Old 08-15-2012, 11:13 PM   #16
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If it is a 460, then it could be vapor lock as you suspect as they did have problems with that engine because of the fuel line routed up the back and across the engine. You can get some fuel line heat sheild at the auto parts store and wrap the fuel line where is comes up and across and see if that helps.

But, that said, I still think it is the fuel pump or dirty filter or both..

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Old 08-15-2012, 11:31 PM   #17
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Mary.....We had the same coach, but it was a 1990. You have the 460 engine. You need to replace the fuel filter (along the frame under the driver's door) and then if it continues, have the exhaust checked. That year coach has a catalytic converter and they were known to break apart and plug the exhaust. A muffler shop can check it for you.
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2014 Newmar Dutch Star - All Electric - 450 ISL
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Old 08-19-2012, 01:48 PM   #18
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if all else fails. i had a ford dump truck that would vapor lock. took top off carb and fuel was boiling. problem was fuel line was inside between frame rails. exhaust heat, engine heat, etc. was the problem. rerouted fuel line outside of frame away from heat cured problem. hope this helps.

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