We have replacement mercruiser 555 ecms for many applications, the table. I am writing a document on my reseach, if anyone has anything to add, please let me know. Has anyone discovered what the model ecmecu which is being in the mercruiser mefi 3. I have a large library of stock and modified tunes. This package will upload and download tunes to the mefi1, mefi2, mefi3, mefi4, and mefi4b ecus. It is fairly easy though because the system has such limited resolution there isnt much fine tuning.
Mefi ecm controllers are used in a wide variety of applications, including. Compatible to test most honda, mercury, mariner, mercruiser, johnson, evinrude, yamaha, yamaha pwcs, suzuki, volvo penta, mefi 14, and select gasoline. Tried out new mefi 4 b software today chevy message. Mefi 3 mefi 4 dtc s from the rinda technologies mercruiser scan tool manual. We keep changing and have lots more information comming your way. I want to do some fine tuning on my mefi 4 ecu and looking for someone based in havasu that can do that and if needed complete it on the water. Mefi 4 dtc s from the pcm marine engines mefi 44b diagnostic manual. However, advanced tuning software is available for the sniper efi system that allow them to be tuned by a competent. Gm mefi computer crate 502 engine computer archive. If not, what is the reason for changing yes the 4s are more consistent controllers. Presenting mefi tuning in stock and ready for shipping today. Mefi 3 controllers are available, and teague or dustin should be able to upload a good tune for you. Mefi pro tuning software for mefi electronic control modules, polaris slingshot. This service is based on you mailing us your mefi controller, us modifying the calibration and programming your mefi ecm, and mailing it back to you.
We specialize in mefi tuning performance boats based on the popular mefi1, mefi2, mefi3, mefi4, mefi4a, and mefi4b marine electronic fuel injection ecu platforms used widely by mercruiser and other manufactures our services are available both for the serious competitor and the weekend warrior. Mefipro about tuning software for mefi 5 electronic. Rinda technologies marine diagnostic tools, marine. Bosch automotive service solutions llc mercury marine main. Mefiburn standard software will allow you to tune as many a 750 parameters so it can be a little overwhelming. We have a selection of common parts used in mefi, marine and gm harnesses. Rt which i have but it is not nearly as user friendly as hp tuners and i would prefer not to have to learn another software set unless absolutely necessary. I have spoke with bob at mefiscan several times, and he says that his obdii all in one can be used to connect to 555 systems through the can connector. I came across this forum and thought i would post to see if there really is a good demand for mefi tuning. Simple way to read trouble codes on mercruiser mefi engines. It also allows you to view all of you sensor systems in real time and log the data for later viewing.
The knock control module is software programmable, instead of hardwired. Mercury mercruiser ecm555 pcm555 flashing calibrating is somebody aware of the flasing and calibration tuning process of mercurys ecmpcm555. Mefipro polaris slingshot tuning software mefipro polaris slingshot tuning software. Rinda technologies marine diagnostic tools, marine diagnostics. The professional edition provides a much more extensive set of tuning parameters hundreds of them for the shop user. Mefi 2 medium sized ecm gm 1996 software in a mefi 2 case with gm part number 16210729 the 729 is the true mefi 2, if any other part number without the 729 its a mefi 1 software in a mefi 2 case. The data stream i am working with is an 8192 baud stream from a delphi mefi 4 controller running on a sand rail with a corvette ls6 engine on it. For you diy guys i can give you some pointers for the areas in need of modification.
I am trying to create a definition file for an ecm that is not on your list. The tool performs a complete range of efi system tests and also contains a. This was used on 350 mag and the l29 454 only, the true mefi 2. About tuning software for mefi 5 electronic control. Mefi pro allows you to download the internal programming to your pc or laptop, change and save it. It is the perfect tool for low volume marine repair shops that troubleshoot a small number of efi systems a year. For you owners that have the volvo driver package we have a package to convert your mpivolvo systems to the delphi mefi 4b controller. Click for mefiburn screenshots and detailed program info. Who is the go to guy for programming my mefi 4 ecu in.
And it looks like the pcm555 computers have no options to adjustprogram. This video is showing the setup of the datamasterm3 pcm display program when running on the mefi 3 mercruiser ecm delphi 16237009. Boatered is it possible for a consumer to buy a scan tool. The mefiscan software mentioned above does not work on mercruiser ecmpcm555 systems.
They are the creators of mefiburn an application loaded on your laptop designed specifically for the mefi controller. Mercruiser magnum smarttunex boat fuel tuner performance. I looked on the internet and only found a couple tuners with websites but not many. Used in conjunction with the mercruiser scan tool or diacom marine software, this cost effective adapter kit contains the. Cbm mefi electronic control modules for ls and ecotec, versions 4, 4a, 4b and 5. The complete mefi ecm solution tuning, data logging, diagnostics for mefi1, mefi2, mefi3, mefi4, 4a, 4b.
Top quality source for boat mefi ecu tuning co, ks, ok. Candoopro llc mercurymercruisermefig3 1204 works on 2004 2016 verado 4stroke outboards, all models 1998 2016 optimaxdfi 2stroke outboards, all models 2002 2016 25 to 125 hp 4 stroke efi outboards, including 2530 hp tohatsubuilt models 2012 2016 150 hp 4stroke efi g3 outboards 2010 2016 30 to 60 hp 4 stroke efi g3. This article covers the fourthgeneration of the gm mefi system, known as mefi4. Howell indicates that this adapter was designed for the chevy type mercruiser manifold but that it should work on any similar marine wet manifold. This pocket size tester serves as both an efi problem indicator and a spark timing service tool. Marine mercruiser, indmar, and many boating applications offroad sand rails.
Ive tried contacting delphi and they cant cross reference an automotive ecm with a marine unit. You just hook up the o2 sensor wires 05 v to connector j2 pin 6 and the ground wire to j2 pin 3, of if your mefi harness has an o2 sensor plug, the 5v wire goes to pin b and the ground to pin a in the oxygen sensor connector. Mefiburn the complete mefi ecm solution tuning, data. Cbm mefi pro scan software cbm motorsports youtube. Over the course of 2007 i had the opportunity to do beta testing for a company out of california, obd2allinone. I thought about hooking up the scanner to it and see if hptuners could pull the tune file. Replacement parts for gm, ac delco, mercruiser, mercury, volvo, indmar, oem, pcm, and more.
Cbm motorsports mefi 4 electronic control modual technical. More fun than tuning race cars because i dont have to wait two hours between runs. Ecm connectors we have the connectors that plug directly into the ecm for several types of controllers, along with the crimp sockets and hole plugs. Scanning software with a scanning definition for your version of the mefi, utilizing the scannerpro application, which allows you to do scanning monitoring. Also, sometimes its easier and more intuitive to tune with the graph instead of the cells. Again the only true mefi 2 carries gm part number 16210729. We have replacement mercruiser 555 ecms for many applications, the table below shows a list. Tps sensor scaling for mefi controllers using tuner pro and mefiburn. Mefipro main tuning software for mefi 5 electronic. They forwarded my request and there is a chance theyd help. All of the parameters that the user is likely to need are available for tuning fuel maps, spark maps, rev limit, etc. Mefipro mefi 5a tuning software with prekeyed mefi. Shop mefi tuning available for sale today on the internet.
The mefi4 ecm also learns as it is driven, finetuning its calibration outputs. Tunerpro has since grown into a very robust tuning tool. Mercury mercruiser ecm555 pcm555 flashing calibrating. Tunerpro started life as gmecm edit, and debuted in early march of 2003.
Motors mefi control modules on newly manufactured mercruiser gasoline efi engines. A 6foot scanning cable, usb on one end and 10 pin connector on the other. Some tuning software allows the tuner to add an additional password to the tune itself so it cannot be read or changed. Mercruiser smart tune x features new unsurpassed options that. Maybe hp will come out with something but for now i scan with tuner pro and write with mefi burn. The mefi scan software will allow you to see very detailed data, in graph, plots and charts, for a low cost. We specialize in mefi tuning performance boats based on the popular mefi1, mefi2, mefi3, mefi4, mefi4a, and mefi4b marine electronic fuel injection ecu platforms used widely by mercruiser and other manufacturesour services are available both for the serious competitor and the weekend warrior. I was able to see what looked like proper chatter from efilive v4 using the gm274, gm163, and 95 pontiac vin k definition files, but the charts and graphs had meaningless. The code on the side is f02d and this is a mefi3 ecuecm. Id start conservative on the timing in case youre a little lean. Official marine power usa wire harnesses, mefi ecm, diacom diagnostic software, and other electrical system parts for marine inboard engines. I have heard there is a pretty decent demand for mefi tuning. Either way, there are plenty of good tuners if you get a new controller, but i dont know that teague will tune a motor with a new controller other than.
Used in conjunction with the mercruiser scan tool or diacom marine software, this adapter kit contains all the. This tool is not compatible with mefi 5, mercruiser pcm555, ecm555, volvo egc, or other marine efi systems. Specifically indmar and pcm use gm vortec engines with gm pcms. Service technicians familiar with prior gm mefi systems should note that these new mercury modules require different troubleshooting procedures and updated diagnostic tool software for proper diagnosis and service. Smart tune x mercruiser performance tuner overrides engine sensor signals being read by the engine management, resulting in an adjustment to the fuel map which causes the increase in performance level as well as increases pep and throttle response through the rotational speed range. Mefipro mefi 5a tuning software product description. We have programs that have been developed on our engine dyno and on the water for bigger cam and superchargers. We also do custom tuning if you are local to us in southern california, or we are at your location. The mercruiser scan tool manual gives trouble codes and scan tool functions for anyone attempting to make an adx for tunerpro.
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