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175 mariner probs

Thread in 'Motors & Props' started by kevin dickey, Sep 24, 2013.

  1. kevin dickey

    kevin dickey New Member

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    hi new to site have motor question. i have a 1995 mariner magum efi 175 with 70 hours on it. ok up to 5000 rpm it runs like a top, bout at wot which is 5300-5400 it bogs down to 4700-4800 rpms. Mech checked fuel from tank to motor says its all good---now hes talking computer rebuild??? whats your thoughts please????
     
  2. AirForce

    AirForce Well-Known Member

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    get another Mechanic, a Mercury Certified one with proper tools to diagnose the motor's electrics.
     
  3. Ron Himmelreich

    Ron Himmelreich Well-Known Member

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    I agree...get it to another mechanic. There could be a million other things and the ECU is the last thing I would do. When was the last time the injectors were cleaned? Fuel pump rebuilt? Fuel lines/bulb replaced? Where are you located? We have folks all over the country and should be able to recommend a good one.

    WELCOME to Transom Talk!!!

    RH
     
  4. kevin dickey

    kevin dickey New Member

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    only has 70 hours on motor but lines and bulb was changed last year---use only non ethenal gas and northern arkansas 20 miles from bull shoals and table rock!!!! yea baby best of both words!!!!!
     
  5. Boat4life

    Boat4life Active Member

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    Had same issue with 1995 Mariner 150 hp and it was the stator...
     
  6. kevin dickey

    kevin dickey New Member

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    well got time to take boat to Eastwald they talked like fuel problem hope its a simple fix
     
  7. Darren Wilkes

    Darren Wilkes Member

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    Must be in Mtn. Home area.....Batesville here and up there all the time
     
  8. cq

    cq Well-Known Member

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    Welcome and Hot Springs area.

    cq
     
  9. Greg Meyer

    Greg Meyer Well-Known Member

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    Welcome.... Lots of Black Motor guys here..... I'm OMC/Bombardier so good luck and wait for help from the folks here. The people here are the greatest you will find in the net.
     
  10. Darren Wilkes

    Darren Wilkes Member

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    cool another Arkie. I love lake Cathrine and Ouchita
     
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