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  1. #1
    ...Lighting The Water On Fire Since '04 duramaxxed's Avatar
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    Challenger 1800 Won't Rev Past 3500rpm

    Ok, so as most of you might know (if you are following my thread) I have been looking for a boat for about 2 weeks now. The last 2 I have went to look at didn't "do it" for me. The first one was a disaster.

    I just found another one today.

    It's a '97 Challenger 1800. The owner says it starts and idles fine, but the right side engine won't Rev past 3500rpm. What could be the problem? At the asking price right now, if it's an easy fix, I can steal this thing.

    I read somewhere (can't find it now) that someone had a problem with their 1800 not revving past 4000rpm and it turned out to be a bad ECU, so about $1200-1500 later he was back on the water. Easy fix yes, but expensive.

    Could it just be simply clogged Carbs. or really dirty RAVE's?

    These problems happened at the end of '02 and the boat has sat since.


  2. #2
    Dr Len's Avatar
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    Could be the raves or low compression or the pipe is leaking. I dont think its the MPEM

  3. #3
    ...Lighting The Water On Fire Since '04 duramaxxed's Avatar
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    Just heard back from the Seller.

    Says the last time the Engines were ran was in '02. It has sat since then, and "every year or so" he would "crank the engines over and spray oil into the Carbs."

    I'm thinking this is yet another project Boat.

  4. #4

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    i think that boat needs the carbs rebuilt.

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