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Jan 23rd, 2013
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ECM Fried??? 2002 Mercury EFI 200 2.5L #12775515
05/31/18 04:30 PM
05/31/18 04:30 PM
Joined: Aug 2011
Posts: 550
Waxahachie
D
DillonCan'tFish Offline OP
Pro Angler
DillonCan'tFish  Offline OP
Pro Angler
D

Joined: Aug 2011
Posts: 550
Waxahachie
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
05/31/18 11:57 PM
Joined: Jan 2002
Posts: 1,229
Lake Fork Texas
Micheal Offline
Extreme Angler
Micheal  Offline
Extreme Angler

Joined: Jan 2002
Posts: 1,229
Lake Fork Texas
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.

Re: ECM Fried??? 2002 Mercury EFI 200 2.5L [Re: DillonCan'tFish] #12781595
06/05/18 11:33 PM
06/05/18 11:33 PM
Joined: May 2007
Posts: 73
TX,The Colony
dan805 Offline
Outdoorsman
dan805  Offline
Outdoorsman

Joined: May 2007
Posts: 73
TX,The Colony
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


2000 Champion 191 Merc 200EFI
There's only 1 way to Rock
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