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Dec 30th, 2023
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 Re: Help 1991 2.5L Merc
[Re: TLW]
#4633405
03/21/10 05:22 PM
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Joined: Apr 2009
Posts: 413
BassCat'99
Angler
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Angler
Joined: Apr 2009
Posts: 413 |
DO NOT forget the thermostats! Should be replaced on a regulator basis.
1999 Pantera Classic
1999 Merc 200hp EFI
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Re: Help 1991 2.5L Merc
[Re: BassCat'99]
#4636578
03/22/10 03:53 AM
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Joined: Feb 2010
Posts: 129
LunkerDave
Outdoorsman
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Outdoorsman
Joined: Feb 2010
Posts: 129 |
I have heard that if that goes bad (VRO) then an alarm goes off. The boat man I use here said thats what it does when that goes out. He suggesteed I unhook mine.
Last edited by LunkerDave; 03/22/10 03:55 AM.
LunkerDave
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Re: Help 1991 2.5L Merc
[Re: LunkerDave]
#4636953
03/22/10 10:58 AM
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Joined: Nov 2006
Posts: 2,952
TLW
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,952 |
Continous beep is heat
Intermittent beep is oil
Intermittent beep water in fuel (EFI motors)
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Re: Help 1991 2.5L Merc
[Re: TLW]
#4638514
03/22/10 05:39 PM
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Joined: Apr 2004
Posts: 14,782
Stump jumper
TFF Guru
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TFF Guru
Joined: Apr 2004
Posts: 14,782 |
If the housing has not been changed then change it and the impellar. The whole kit should be around $50. If it already has a new impellar I doubt this will fix your problem though. I suspect the sender or the warning unit itself. The sender is located on the top of the motor on the right side as you are facing it. Check the wiring first. I think it is also possible that it could be something in the ignition switch or control box too. Does it beep a couple of times when you first turn the key. Sometimes mine will go off before the motor even warms up. I have to turn it off and it resets the sensor.
2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
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Re: Help 1991 2.5L Merc
[Re: Stump jumper]
#4646700
03/24/10 04:12 AM
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Joined: Mar 2004
Posts: 918
A/C MAN
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2004
Posts: 918 |
gonna get Spanky to put new pump and impeller on her Fri.will let u know what I find out.Thanks for all the help guys!!
JL HEATING AND AIR
jlheatingandair2@gmail.com
817-308-1038
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Re: Help 1991 2.5L Merc
[Re: SkeeterRonnie]
#4647231
03/24/10 12:43 PM
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Joined: Nov 2006
Posts: 2,952
TLW
Extreme Angler
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Extreme Angler
Joined: Nov 2006
Posts: 2,952 |
I believe the head mechanic over there is a racing nut, and knows his stuff. Only if its got Nitrous runnin' out from ever hole in tha motor n cowl   
Last edited by TLW; 03/24/10 12:44 PM.
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 Re: Help 1991 2.5L Merc
[Re: A/C MAN]
#4678842
03/31/10 01:45 PM
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Joined: Mar 2004
Posts: 918
A/C MAN
OP
Pro Angler
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OP
Pro Angler
Joined: Mar 2004
Posts: 918 |
Got Spanky to come over to my house and install new water pump since the old one wasn't just replaced like the guy I bought it from,imagine that,..lol,and man am I glad he did.He also adjusted my hotfoot and idle,purrs like a kitten.Thanks David for prompt,quality service,you'll be getting all my future business!!!
JL HEATING AND AIR
jlheatingandair2@gmail.com
817-308-1038
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