unimog 404 problem, help please - Mercedes-Benz Forum

 
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post #1 of 7 (permalink) Old 10-12-2009, 11:14 AM Thread Starter
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unimog 404 problem, help please

I just did a Power steering upgrade on my unimog. I had to replace mech fuel pump with a electric fuel pump. (I know i only need 3 psi at the carb). Now i am having top end power problems. Any suggestions?/ Any one

Thanks
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post #2 of 7 (permalink) Old 10-12-2009, 11:23 AM
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Can you be more specific? What exactly do you mean by "top end power problems"?

Felicita e un bicchiere di vino con un panino.
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post #3 of 7 (permalink) Old 10-12-2009, 11:39 AM Thread Starter
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Get up and go has got up and went....It idles fine but as you excellerate it lacks in power and speed. third forth gear barly moves
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post #4 of 7 (permalink) Old 10-12-2009, 12:23 PM
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Remind me what motor that thing has.

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post #5 of 7 (permalink) Old 10-12-2009, 03:48 PM Thread Starter
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It has the M180 engine
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post #6 of 7 (permalink) Old 10-12-2009, 07:25 PM
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OK, let's start with the basics. You state fuel pressure is sufficient, but have you checked the other usual suspects? Is the ignition system OK? Is the carb itself functioning properly?

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post #7 of 7 (permalink) Old 10-12-2009, 08:31 PM Thread Starter
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i played with the carb a little but i am not familiar with it. Everything was working properlly before i installed the power steering unit
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