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The Mariah Owners Club » Maintenance and Repairs » Mercury MerCruiser

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Mercury MerCruiser

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Old 09-28-2021, 07:57 PM   #1

thigpen454 is currently offline
Posts: 3
Status: Stowaway
Join Date: Jan 2021
My Year: 1997
My Model: z22 limited Shabah
My Engine: 454 Mag MPI
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Hello everyone, I have a 1997 Shaba Z22 with a 454 Mag MPI that seems to be idling low to the point that it cuts off while sifting between forward and reverse. Is this something that can be adjusted up via electronics?

Thanks!
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    • Old 09-29-2021, 12:08 PM   #2
     
    Hudson River Steve's Avatar

    Hudson River Steve is currently offline
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    Join Date: Jun 2010
    Location: Lower Hudson Valley
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    My Year: 1999
    My Model: Z280
    My Engine: 7.4L MPI Bravo3
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    Have you tried cleaning the carbon off your idle air control valve and your throttle body. 9 times out of 10 that will solve a low idle stall issue.

    Sent from my SM-N975U using Tapatalk
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    1999 Z280
    7.4 MPI, Bravo3
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    Old 12-23-2021, 08:52 PM   #3

    thigpen454 is currently offline
    Posts: 3
    Status: Stowaway
    Join Date: Jan 2021
    My Year: 1997
    My Model: z22 limited Shabah
    My Engine: 454 Mag MPI
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    I replaced the IAC but it made no difference. I think it might be a bad shifting cable or the shift interrupt switch, which I still have not been able to locate.

    Thanks!
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    Old 12-23-2021, 09:54 PM   #4
     
    Hudson River Steve's Avatar

    Hudson River Steve is currently offline
    Posts: 597
    Status: Platinum Contributor
    Join Date: Jun 2010
    Location: Lower Hudson Valley
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    My Year: 1999
    My Model: Z280
    My Engine: 7.4L MPI Bravo3
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    Bravo drives do not have a shift interupt switch.

    Sent from my SM-N975U using Tapatalk
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    1999 Z280
    7.4 MPI, Bravo3
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    Old 12-24-2021, 02:02 AM   #5

    mikeyt is currently offline
    Posts: 7,475
    Status: Platinum Contributor
    Join Date: Jul 2007
    Location: Ontario
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    My Year: 1996
    My Model: Shabah 180
    My Engine: 4.3
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    Default Re: Greetings
    Quote:
    Originally Posted by Hudson River Steve View Post
    Bravo drives do not have a shift interupt switch.

    Sent from my SM-N975U using Tapatalk
    Which might explain why the OP cant locate it....
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