Bad ECM |
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JoeinNY
Grand Poobah Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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You will also need a carb and an intake - and some fuel system changes.
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21169 |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Not very original but might as well just drop a new engine in!!
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JoeinNY
Grand Poobah Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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It is still pretty much the next step here outside of getting handy with a soldering iron or the solutions being worked on over at PN. If I was a PCM garage or shop and it wasn't being supported anymore I would send it back to a carb and distributor in a hurry.
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JoeinNY
Grand Poobah Joined: October-19-2005 Location: United States Status: Offline Points: 5698 |
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You are probably getting pretty close to justifying an excal bobtail but in another 20 years you will need a new ecm for that one... |
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Fl Inboards
Grand Poobah Joined: January-20-2008 Location: United States Status: Offline Points: 2099 |
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I have to agree!! |
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Hobby Boats can be expensive when the hobbyist is limited on their own skill and expertise.
1993 Shamrock "fat" 20. 2008 Nautique 196 5.0 |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Another 20 years I won't care anyway |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Dave I'll bet we have similar problems p0456- (ECM) has detected a very small leak in the evaporative system ? was the old code before I took it to the dealer,now just a light and no code. Here in Illinois if you spend over $450 you can get a wavier. Our son went to get one but I think he took an attitude in with him and found out that does not work. The test center looked at the dealer work order and noticed it had Grand Cherokee on it when in fact it's a Cherokee. Even though the vin was on the sheet too, the guy gave him a hard time. I took a chance and told just to him to take in in when the light was out. |
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fgroce
Senior Member Joined: July-05-2016 Location: Georgia Status: Offline Points: 350 |
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Hi in the car industry there is a company called Cardone. They can rebuild ECM modules for cars. It should not be to hard to send them a ECM to save the program from then they would have the program to download into a ECM after it has been repaired. If I get a chance I will investigate further. This should not be that hard of a problem to solve.
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FGroce
88 Ski Nautique For 28 years Now 2002 Ski Nautique |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Frank, This looks like the outfit you speak of My only concern is somewhere at sometime I thought I heard that the ECM program is proprietary to PCM?? I'm sure a call to them would be needed. |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Well I think your partially correct Pete in that it's proprietary but if according to the PN guy they were able to read and record the programing. It does not seem that they can reprogram an ECM but they can add a chip to override whats in there. Here is a link to the "chip"
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woodyelc
Senior Member Joined: February-17-2004 Location: orlando Status: Offline Points: 378 |
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You are right sorry for misleading you
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woodyelc
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fgroce
Senior Member Joined: July-05-2016 Location: Georgia Status: Offline Points: 350 |
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Hi just in case you did not see the other post. I talked to a Cardone representative today and they do not have this part number on file. But to get a broken one repaired. Take the ECM to a local Cardone dealer. They will send it to Cardone and once it gets to the Philadelphia repair center it should be a five day turn around. Once it is evaluated and repaired they will assign a Cardone part number to it and then anyone should be able to get one. I have used their repair service before with no problems. Hope this gets rid of some of the fears of owning a GT40 engine.
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FGroce
88 Ski Nautique For 28 years Now 2002 Ski Nautique |
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fgroce
Senior Member Joined: July-05-2016 Location: Georgia Status: Offline Points: 350 |
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Ski-Naut are you going to be the first one to try Cardone for the repair of your ECM?
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FGroce
88 Ski Nautique For 28 years Now 2002 Ski Nautique |
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Ski-Naut
Newbie Joined: May-09-2017 Location: Ohio Status: Offline Points: 9 |
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fgroce, I don't know at this time. I need to contact them and see what they have to offer. Thanks for the lead.
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Mike9812121298
Senior Member Joined: March-24-2017 Location: Seattle Status: Offline Points: 139 |
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Check out Gt40ecm.com ecu's in stock ready to ship. These come plug and play no wire cutting or modifying. please ask for questions.
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11050 |
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Where is this place? Not much info on the website like a phone number so you could talk to a real person |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Here's a direct link Ken, Looks like the only way to get in touch with him is via the sites contact form. |
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11050 |
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Mike
A quick Google search tells me that you're the guy selling these, so why not be upfront about it in the first place? Link to Ball of Spray where you're selling also. See posts from Oct 19, 20 by Mike9812121298 link |
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scootdogydog
Senior Member Joined: November-03-2013 Location: Central MA Status: Offline Points: 404 |
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Mike's intentions confuse me. At a price of $650, vs the $113 on the PN page, what is the difference between the two methods, other than $537 more
PN reprogrammed Maybe just time? If I had a GT40, I'd probably pick up a spare or two via the linked page and be set for a long time. IIRC, Mike came to the site asking for help, and he got it...Now he's trying to help (while making a big profit) |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Scott, Are you willing to take a chance at buying a used ECM off Ebay and then replacing the chip in hopes it would work? |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Scott I'm sure that he must re manufacture and rigorously test each donor ECM. Then he had to buy the the reader and burn equipment and have an original good ECM to download the original tune- so it all adds up. You and I would just go on ebay buy a ecm and hope it works. Then we'd go on the original PN thread and have one of the guys who did the original figuring this out, burn a chip with the tune they pulled from their very own ECM. Then you'd try to get them to take compensation for all their help which they would refuse because they were happy to help out the community. Either way it's cheaper than PCM's fix of replacing the complete engine. So you do your homework and make your choice. Up and running I have around 180 in mine.
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Curious Pete how often do you run across a bad automotive ECM? I gambled 75 bucks on one, it's fine. How much money will be spent on lottery tickets this week with the odds being much greater? |
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DVskier
Senior Member Joined: September-04-2014 Location: Seneca SC Status: Offline Points: 449 |
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I agree, get the ECU from Mike. He's giving a 30 day warranty! What could be easier? These GT 40's are great engines, keep it going.
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Gary, You are correct. Even though I did buy a Mega ticket last week, the chances are higher with getting a good ECM off Ebay! |
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Ski-Naut
Newbie Joined: May-09-2017 Location: Ohio Status: Offline Points: 9 |
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I found the fix for my PCM GT40 EFI late this summer. I went through the whole process of buying a used ECM off of Ebay and adding my tune to the Motes chip and didn't work for me. I know a couple of people that it worked for. Contact Norm at Affordable Fuel Injection just north of Detroit MI and he will get you up and running. Here is the web site https://www.affordable-fuel-injection.com/
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11050 |
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You should read thru Mike's old posts here on CCF to get an idea how he does things
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KENO
Grand Poobah Joined: June-06-2004 Location: United States Status: Offline Points: 11050 |
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It's pretty easy to find his Ebay listings too
With multiple Ebay accounts if you look halfway closely |
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Mike9812121298
Senior Member Joined: March-24-2017 Location: Seattle Status: Offline Points: 139 |
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When i had a problem with my 95' at the start of last summer, there was no one online selling ecm's for the gt40. I had to do my homework, buy different ecm's off ebay and buy the programming equipment to get it up and running. If there was someone online that was just selling the ecm, i would have went that route to get my boat in the water faster. Im simply just trying to provide a service to make it easier on people that dont want to do the leg work. The ecu's on ebay that you have to use are starting to get into the 70-100 dollar range. The prices are going up. the chip you need for this also runs 85 dollars and that's not including the programmer and the adapter.
Each ecu i send out gets plugged into my gt40 to make sure everything took and it works like it should. |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Which tune are you burning,the 290 or the 300?
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