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ECM Fried??? 2002 Mercury EFI 200 2.5L #12775515 05/31/18 04:30 PM
Joined: Aug 2011
Posts: 1,245
D
DillonCan'tFish Offline OP
Extreme Angler
OP Offline
Extreme Angler
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Joined: Aug 2011
Posts: 1,245
Trying to help a buddy get his boat fixed after it randomly died on him idling out of a cove. Now he has no spark at any of the cylinders. It was running just fine, then it just went off. No sputter or anything, just off. This guy is a stickler when it comes to maintenance and the boat hasn't had so much as a hiccup since he got it.

2002 Mercury 200 EFI 2.5L

Checked stop circuit including ignition switch, neutral & kill switch. All good. Plenty of oil. All fuses on side of motor are good.

-Key to on: No beep. No fuel pump. Dash lights come on.
-Key to on and wait 10 seconds: Sounds like fuel pump kicks on and solid alarm sounds. Alarm and pump stays on until key is turned off. Fuel will continue to prime for a few more seconds after key to off and then stops.
-Key to crank position: Engine turns over but has no spark. Tach is getting a reading during cranking.

Took it to a mechanic that said he would scan it for him at no charge. Scan tool won't connect. Told it was probably a bad ECM.

Is there anything else we can check before he starts throwing parts at this thing? I have no reason to doubt the mechanic, I just want to check everything we can before he shells out that kind of coin.

Re: ECM Fried??? 2002 Mercury EFI 200 2.5L [Re: DillonCan'tFish] #12775976 05/31/18 11:57 PM
Joined: Jan 2002
Posts: 1,635
Micheal Offline
Extreme Angler
Offline
Extreme Angler
Joined: Jan 2002
Posts: 1,635
Listen to your mech.
The ECM for that motor is no longer available.
Best chance is to get that on repaired if possible.


Micheal's Marine. Mobile Boat-Motor Repair Ser.
Dakota Lithium Battery Dealer
Lake Fork Trolling Motor sales and ser. Lowrance Dealer
Re: ECM Fried??? 2002 Mercury EFI 200 2.5L [Re: DillonCan'tFish] #12781595 06/05/18 11:33 PM
Joined: May 2007
Posts: 246
dan805 Offline
Outdoorsman
Offline
Outdoorsman
Joined: May 2007
Posts: 246
same thing happened to me last year. Sent my ECM to Simon Motorsports these folks as I was told they are the best. I agree they are very good, did a great speedy job.


Dawn
Simon Motorsports/Simon Performance Technology
1900 Joe Crosson Drive
El Cajon, CA 92020
760-440-9334


There's only 1 way to Rock
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