mercedes hymermobil engine problem - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 04-23-2013, 11:47 AM Thread Starter
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mercedes hymermobil engine problem

Hi, i am new on this forum and need help.1 Months ago i buy motorhome mercedes hymer-mobil, engine om616, 240D only 93000miles. And it is made from van 307D year 1979. when i buy car, engine runs very bad, shaking, lot of smoke unstable idle and slow speed only 37mph. Injector was worn so i replace all nozzles. Replace all filter, fuel hoses and oil. And last with drip method set injector pump. Now engine runs smooth, not shaking and when gets hot not smoke at all. But problem is speed it goes only 45mph. Acceleration on 1-3 speed is good but 4 speed. I try auxilary fuel pump and add shim under diaphgram spring, nothing help. Any advise?

Sorry for language i am from Slovakia
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post #2 of 3 (permalink) Old 04-26-2013, 03:27 AM
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You might want to replace the governor spring. If the camper has been standing still for a long time, the spring is constantly compressed.

You can also check if the air flap in the intake manifold opens completely if you press the accelerator pedal.
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post #3 of 3 (permalink) Old 04-26-2013, 03:52 AM
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Your have great insight about the subject of your post.
Oakville eaves and siding contractor
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