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Dec 30th, 2023
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 97 Mercury 175 EFI wont start ?
#13607600
06/25/20 02:38 PM
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Joined: May 2007
Posts: 111
CHAD N
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2007
Posts: 111 |
Posting for a buddy. He has a 97 Mercury 175 with EFI. He was running rough water on Raybob Friday and his motor shut-off and now wont start. It seems to be getting fire to plugs and fuel everywhere. Any help would be great !!
outdoorsman
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 Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13607648
06/25/20 03:24 PM
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Joined: Jan 2004
Posts: 2,447
rb7764
Extreme Angler
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Extreme Angler
Joined: Jan 2004
Posts: 2,447 |
has he changed the fuel/water separator?
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Re: 97 Mercury 175 EFI wont start ?
[Re: rb7764]
#13607806
06/25/20 05:13 PM
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Joined: May 2007
Posts: 111
CHAD N
OP
Outdoorsman
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OP
Outdoorsman
Joined: May 2007
Posts: 111 |
He is going to pick one up this weekend.
outdoorsman
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Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13607831
06/25/20 05:35 PM
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Joined: Sep 2003
Posts: 1,896
Coolarrow
Extreme Angler
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Extreme Angler
Joined: Sep 2003
Posts: 1,896 |
“Ain’t got no gas in it” quote from Karl Childers.. lol sorry. I had too.
I towed two boats in on Rayburn now that we’re out of gas..
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Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13607849
06/25/20 05:50 PM
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Joined: Jan 2007
Posts: 19
Termite
Green Horn
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Green Horn
Joined: Jan 2007
Posts: 19 |
Bad coil maybe ? That happened to me a few months ago and it was a bad coil.
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Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13607946
06/25/20 07:04 PM
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Joined: Jun 2004
Posts: 1,509
OPTI
Extreme Angler
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Extreme Angler
Joined: Jun 2004
Posts: 1,509 |
Check main engine harness unplug and plug back together. Also take a razor knife wihile unplugged and if the male pin has a slot carefully spread pin slightly if it has a three sided pin do not attempt to spread. reason to spread is they lose contact and will lose 12 volts.Also unplug the ECM harness and replug. Just simple stuff to start with. Hope this helps....OPTI
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Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13610975
06/28/20 03:21 PM
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Joined: Jan 2019
Posts: 42
haleywp
Outdoorsman
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Outdoorsman
Joined: Jan 2019
Posts: 42 |
This may sound simple and a little sarcastic, but have you checked the kill switch? I almost ran the battery down trying to crank my motor before it dawned on me to check the kill switch. It was down just a little but enough to not let the motor crank. Pulled the cord out and re-installed and it cranked up.
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Re: 97 Mercury 175 EFI wont start ?
[Re: CHAD N]
#13611097
06/28/20 05:17 PM
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Joined: May 2011
Posts: 1,904
pil,b
Extreme Angler
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Extreme Angler
Joined: May 2011
Posts: 1,904 |
Check the fuel filter for water and hope he didn't get a slug of water into the engine. Happened to me a few years back running in rough water,not fun. Lost a cylinder
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