Mefi 3 ecm. A MAF sensor does as its name suggests.
Has been tuned by Precision marine for a 540ci 500efi injection motor. . $995. 0L MEFI 5 Tuning Support for GM MEFI controllers (sold with popular RamJet crate motors and Marine engines) MEFI-1 Controller part numbers: 16159919, 19189069, 16220371, 16234539. Compression test Service Manuals 1986-1993 3. ASM offers calibration of the ECU to correct overly rich running condition on MEFI 3 ECU’s and toggle on these features, and provide the O2 sensor At Simon Performance Technology, we proudly stand as the world leaders in the testing and repair of Mercury Marine, Mercury outboard, and Mercruiser Engine Control Units (ECUs). For scanning the MEFI 5 and MEFI 6 ecm's, see MEFI 5 Scan and MEFI 6 Scan Monitor your MEFI 1, MEFI 2, MEFI 3, MEFI 4,MEFI 4A, MEFI 4B system. I just picked up a Ram Jet 502 which has a new MEFI-3 ECM controller which is closed loop system. 06:45. 26. ECM - Original Indmar ECM MEFI 5A ECM MEFI5A ECM Genuine Indmar Parts deliver optimal performance, efficiency and a longer engine life. Mefi 4 Ls2 Style Injectors Standalone Harness. 15 New. Find many great new & used options and get the best deals for Mercruiser MEFI 3 ECM Ignition Module MCM 454 EFI 502 ECU - 16237009 at the best online prices at eBay! Free shipping for many products! Jul 5, 2019 · Posts: 4,134. It is has the MEFI 3 installed and I understand these are no longer available. Lotus. 0L ECM Mounting Bracket. Macy is the man. 877-327-7175. The Wires, Plugs, Distributor Cap, Rotor, and Fuel Filter have all been changed but the problem still exists. 00 Used. You can however use a mefi 4 and repinn your existing harness. 1L 5. general motors marine electronic fuel injection (mefi) troubleshooting and repair (mefi 3 - 1998 software) l510004 Aug 18, 2018 · The engine is a 2003 PCM and according to a link - pirate4x4. I am trying to create a definition file for an ECM that is not on your list. Add to wishlist. The part number "895104A01" was confirmed with Mercury Consumer Support on 1/21/08. 7L V8 MEFI 4 WHT 485 24 9 J2 24 9 Twin Engine Application Slave ECM Oil Pressure CAT Temp 20 J2 A B C Knock Sensor 2 Signal Knock Sensor 2 (KS) DK BLU 1 J1 3 B (VSS) V5 RTN AN/Fuel Temp I/P Tachometer 14 Tach Driver Delphi MEFI ECM Repair. A MAF sensor does as its name suggests. Chances are, if you set base timing to 10deg's, then you would probably have 36. Think you need another 9 added. MEFI Type 16159919 MEFI-1 16189069 MEFI-1 16220371 MEFI-1 16234539 MEFI-1* 16210729 MEFI-2 16237009 MEFI-3 16237019 CEFI-3 16236999 MEFI-3* 12569494 MEFI-4 12575479 MEFI-4a 12584052 MEFI-4b 88962717 MEFI-4b 88962718 MEFI-4b 12597744 MEFI-5 12607802 MEFI-5a *Used by MerCruiser MEFI Tuning. ECM PIN NUMBER. (EFI) du RAMJET 350 MEFI 3 à MEFI 4Nécessaire de conversion 12499116DémarrageL'installation de ce nécessaire de mise à 7. MEFI 3 to Holley Programmable ECU Kit quantity. Jul 30, 2009 · Ram Jet 502 MEFI-3 vs MEFI-4. MEFI Scan 3 Wiring Schematics Distributor Kit Wiring Diagram J1939 to NEMA2000 Wiring MEFI 4 MEFI 4 Engine Controls Schematic 4. It still won't idle but I think that is more of a timing issue. 317962. Jan 31, 2015 · Roughneck427, I have a similar application (marine), I have a twin engine boat (2000 Mercruiser 7. I have a 2000 Mercruiser 350 mag MPI inboard that has began acting up and I believe it is the ECM. 3L Torque Specs 5. 0L– 8. 7L Merc MEFI 3 IAC fault full test for Greg Cross. This ECM can be programmed for Marine Power engines with MEFI 5 systems. 10909 W. 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. My question is is the MEFI-3 as good as the MEFI-4, as I could use either Dec 6, 2020 · Received 79 Likes on 55 Posts. I am in the process of doing a rebuild and am wondering the longevity of the mefi 3 ecm. FOR THE PRO HOW TO Mar 23, 2014 · Swap Shop - Good Used MEFI-3 ECM for sale. For specs, options and pricing. I switched the ECM with the one from the other engine and it fired right up. 00 - I have a good working used Mefi-3 ecm for sale. On the bottom of the controller is a sticker with a part number. Wichita, Ks. MEFI 3 - ECM Connector Chart. 34. It has two connectors and three mounting bosses. 2L Electronic Fuel Injection [MEFI 1-2] 1998-2001 5. capecodcruiser said: That myth of auto reset is just that, a myth. MEFI-3 Controller part numbers: 16237009, 16237019, 16236999, 12489488, 12489493. 33. Fuel is delivered, or injected, directly into the cylinders by fuel Oct 14, 2015 · Situation: ECM (sent to OBD and confirmed its toasted) Boat: 2000 Shamrock 246 wa Engine: 5. 12489488 MEFI-3. I designed my product to be compatible with my 2002 Four Winns 268 Vista which is powered by a single Volvopenta 5. 7L – 8. 16237019 MEFI-3. PROVEN PERFORMANCE NOTE - THIS ITEM IS NOT RETURNABLE FOR ANY REASON. 7 Pcm Small Block Mefi 4 Wiring Harness 8106206 W Throttle Body. MEFI 5 Trouble Codes. 1L Electronic Fuel Injection [MEFI 4] MEFI 4 Tachometer The Fox Marine MEFI-3 Engine Gateway plugs in to the 10-pin diagnostic connector on the wiring harness of your MEFI-3 ECM. MEFI 5A ECM. Price: US $2,200. INFO. Compare. Thanks in advance. 2L Carbureted and Fuel Injected (MEFI 1-2) Engines 1993-1998 5. MENU MENU. In today's modern EFI engines, fuel and spark delivery are controlled by a computer or Electronic Control Module (ECM). Compare Versions. Any insight would be appreciated. 928 706-6112. View Details. Switching to Holley EFI so no longer needed. No Interest if paid in full in 6 mo on $99+ with PayPal Credit* Buy It Now Seloc MerCruiser Stern Drives 1964 - 1991 Repair Manual. 633. If the signal wire between the knock module and the ECM is bad that will also cause it. 99. MEFI-2 Controller part number: 16210729. The DTC(s) stored in the ECM™s memory can be retrieved two May 2, 2016 · There's a guy named Brian Macy in Havasu. From Australia 5. PRECISION FIT. 7L Electronic Fuel Injection [MEFI 4] 6. Inch. Find many great new & used options and get the best deals for Mercruiser MEFI 4 ECM GM at the best online prices at eBay! Free shipping for many products! Mar 18, 2016 · Again the only true MEFI 2 carries GM part number 16210729. We take your tuning needs seriously. Just info but being a MEFI 3 you can use anyone of these to reflash, can check with Bob, but this is my understanding. Delco style ignition systems use the ECM. 3L – 5. 88961967. 644. Engine data is obtained and transmitted over your NMEA 2000 (N2k) compatible network so that it can be viewed on your N2k compatible . If you have a desire to add more punch to your MEFI controlled power plant give us a call. The GM part numbers and MEFI ECM's are listed here: GM Part No. Some unique calibrations may increase ECM price. Fuel Control. The Holley HP looks like a slick set up but I am concerned about hatch clearance and would like to keep a stock appearance. The GM MEFI-4 system uses speed-density calculation. MEFI 3 equipped models had no O2 sensor feed back for closed loop operation or air temperature compenstaion. MEFI 4 ECU Wire Harness, Ram Jet 350. To test your EFI system you will need special tool #91-823686A2 QuickSilver Scan Tool $1,170. Please note the new superceded part is a functional replacement and may look differant from the original part. ECM's are expensive and do NOT go bad very often. Here is an example of wave foam testing by us on a MEFI 3 ECM to show that we will work on a variety of different ECM units, including Mercury MerCruiser and Volvo Penta. (O) (316) 648-1229. 16237009 MEFI-3. SKU: BF00715. SKU: M3-100-02370Categories: ECU controls and MEFI to Holley Conversion Kits, Engine Control Units. The LED should come on steady. Diagnostic Documents ECM Trouble Codes MEFI 5 Trouble Codes MEFI 6 Trouble Codes MEFI 7 Trouble Codes. Turn-around time is 1-3 days. $216. MEFI 6A ECM Module, 556600 ***NLA*** $1,350. Scanner Pro is used for doing engine monitoring, data logging, and malfunction trouble code reading. Merc dealer says the MEFI-3 ecm module has no or very little data Sep 29, 2008 · Normally, the base timing in the computer is set to 8deg's. This is the GM-Delphi MEFI-4 ECM. Engine data is obtained and transmitted over your NMEA 2000 (N2k) compatible network so that it can be viewed on your N2k compatible GPS/Multi-function Display. It is used in the assembly plant to receive information in checking that the engine is operating properly before it leaves the plant. 861722T 2. Mer 2002 Merc 350 mpi's. Mefi pro allows you to download the internal programming to your PC or laptop, change and save it. From looking through the various posts it appears that the MEFI 4b is a suitable replacement with a pinout change or an adapter harness. Can anyone help me find one off a parts boat Find Mercruiser Mefi 3 ECM Big Block Chevrolet in Portsmouth, Virginia, United States, for US $450. Designed to be used with the MEFI 4 Ram Jet 350 P/N 12499120 and MEFI 4 ECU P/N 88962717. On 1996 and earlier engines you may hear the fuel pump come on. Downloads; ECM Trouble Codes. May 16, 2016 · are you sure your ramjet had a Mefi 4 originally if so it would have come with a manual with a green front cover. 0-8. The Fox Marine MEFI-3 Engine Gateway plugs in to the 10-pin diagnostic connector on the wiring harness of your MEFI-3 ECM. Delphi MEFI ECM Repair. Many problems with MEFI ECMs can be fixed with a repair of your ECM. Was originally off a 2000 502 Magnum. EXAMPLE OF ECM FAILURE – MEFI 3. Page 14 Must order the 91-803999 cartridge for MEFI 1, MEFI 2 and MEFI 3 ECM models 91-880118A2 cartridge for ECM 555 and PCM 555 models. 5) Insert the half paper clip into terminals A and B – This puts the engine in “Service Mode” and codes will begin to flash on the LED. If available in our tune inventory, we are happy to place a baseline tune in the computer at no additional cost. Back side of the ECM. 3L V6_5. Mefi pro tuning software for mefi electronic control modules, polaris slingshot and mefi 5 ecm`s. Note the part number on the sticker. The later MEFI4 open/closed loop wiring harness addresses this issue to a certain existent, adds an oxygen and IAT sensors. ECM 56 WAY OUTPUT CONNECTOR. l the new ECM (GM part number 88962717) usin. although they look the same and the plugs will fit, you can't replace a mefi3 with a mefi 4 the pinout on the plugs is different. Programming fee is included in the price for common calibrations. 0L – 5. MEFI 3 to Holley Programmable ECU Kit. 7l plus EFI (350cid) This inboard engine says seamaxx on it. We continue to add harnesses to meet and exceed your programming, tuning, and remapping needs. I've checked around for a replacement MEFI 3 ECM and they ain't cheap. 84-825003A1 Replacement 10 ft (3 m) 25-pin Harness Page 15 GENERAL INFORMATION SERVICE MANUAL NUMBER 36 Special Tools (continued) Fuel Pressure Gauge Adaptor 91-803135 Description: Allows updating 91 ECM Connectors. com the emcis a mefi 3 From Pirate: All MEFI ECM's have a part number like this that can be used to determine the "series" or "generation" that the MEFI system is, according to the following table: Feb 18, 2019 · Jun 16, 2022. We CAN work on these: Electronic Control Modules (ECM) Sterndrives. They refered to this as a "conversion kit". 7gxi-b using a MEFI-3 ECM model #16237009. $28. There is a plug that Merc has came up with to connect to a MEFI4. $18. He did the EFI set up on my motor shortly before I bough my current boat. 4L MPI) that uses the MEFI-3 ECMs, one of the ECM was blown and I have gotten a replacement one that needs to be reprogrammed. The part I need exactly is a MEFI 3 Delphi ECM model number 16237009 but a member on these forums has told me that he has a MEFI 3 Delphi ECM but its model number is 16236999. The 4 as stated above was never used. We are so confident in our rebuild service and MEFI pro™ EDIT 1. We are running a MERCRUISER ECM MEFI-3. Jul 14, 2022 · This video is on how to test a MEFI 1-4 ECM to determine if it has failed. 7 TBI There was 3 different mefi units for the serial number range Flat tapped motor Roller cam motor LX motor Using the other mefi and only getting 2500 rpm would need to start with the basics first. Quantity: 2 available. MEFI Type 16159919 MEFI-1 16189069 MEFI-1 16220371 MEFI-1 16234539 MEFI-1* 16210729 MEFI-2 16237009 MEFI-3 16237019 CEFI-3 16236999 MEFI-3* 12489488 MEFI-3 12489493 MEFI-3 12569494 MEFI-4 12575479 MEFI-4a 88962717 MEFI-4a 88962718 MEFI-4a 12584052 MEFI-4b 12597744 MEFI-5 12607802 MEFI-5a IF you cant match up your product number Apr 28, 2019 · 2000 Mercruiser 7. 7L Wiring Harness Schematic (472605) MEFI 5 MEFI 5 Engine Controls Schematic 6. 746. Next MEFI 3 very very late 1998 / for 1999, it was a smaller ECM than all past MEFI's. Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFIburn TM program, change the operating parameters of the controller, and then reprogram the controller with your modifications. MEFI Type 16159919 MEFI-1 16189069 MEFI-1 89871-25010 OEM GENUINE TOYOTA DRIVER, INJECTOR 8987125010. BB Chevy Fuel injection Manifold. 00 Jun 7, 2010 · After checking all the wiring, relays, fuel pump, etc. Symptom: I . MEFI 4, 5, and 6 available for order and programming. Arizona Speed & Marine Large Tube Runner Gaskets. ***PLEASE NOTE THAT DUE TO AVAILBILITY THESE MODULES ARE WORKING TAKE OFFS THAT WILL BE FLASHED WITH THE CORRECT CALIBRATION FOR YOUR APPLICATION***. if it is a blue front cover then it is a mefi 3 . Navigation. GENUINE QUALITY. Do not replace your ECM unless you are SURE that MEFI 5 Scan & Tune. This engine runs off an open loop system and is known to run rich. CKT(WIRE) NUMBER. Test Example. These engines ran very rich, fuel fouling spark plugs and as a result poor fuel economy. Aug 17, 2021 · I also rewired the fuel relay "on/off" command wire "hot side"to come from the 10amp Fuse Block Inj/ECM (#2) as they have it in both first and second diagrams. We CAN work on these: MEFI. Find many great new & used options and get the best deals for Mercury MerCruiser Mefi-3 ECM Part# 861720T2 for 7. Mine is a 2000 on a 502 mag mpi. If the wiring between the knock module and knock sensors is corroded or bad, that would cause it. 67209. (F) (316) 729-0758. J1-1. The Fox Marine MEFI-3 gateway seems to be a solution which passes Fuel Flow Rate, Coolant Temperature, Alternator/Battery Voltage, Engine Run Hours, Throttle 862904T1 ECM, Engine Control Module has been superceded to a new part number. Oct 9, 2008 · 4) Turn the ignition key to the “ON” position. Mefi 3 lifespan. 895104A01. MEFI-4 Controller part number: 12569494 Jun 2, 2007 · "Here is the problem. We also supply upgrade kits to upgrade your MEFI 1, MEFI 2, MEFI 3 and CEFI 3 ECM's to a updated MEFI 4 Oct 2, 2018 · Again the only true MEFI 2 carries GM part number 16210729. 7L MEFI 4 ECM Circuit Board Layout (5. PLEASE BE FURE TO MAKE SURE THIS IS THE PROBLEM BEFORE ORDERING. the mounting bolts from the old ECM. The following table will help you determine which MEFI controller you have. com! stocks many of the Mercruiser electronic control modules. Jul 16, 2011 · MEFI 3 Conversion. Please call or email us for engine applications and program details. MEFI1 to MEFI 4 The MEFI 1-4 family of controllers all use the same ECM connectors for J1 and J2, even though the style of the ECM package is different for the MEFI1 and MEFI2 vs the MEFI3 and MEFI4. #1. 748. ECM connectors on the harness. The MEFI-3 ECM is made by Delphi and is used with many other engines including Mercruiser as *Used by MerCruiser For scanning the MEFI 5 and MEFI 6 ecm's, see MEFI 5 Scan and MEFI 6 Scan Monitor your MEFI 1, MEFI 2, MEFI 3, MEFI 4,MEFI 4A, MEFI 4B system. All MEFI 3 Gen II cool fuel Hope this MEFI info helps whomever May 20, 2021 · In this video I describe how to identify early marine gasoline electronic fuel injection (MEFI) ECM's and show some of our lab engines which we teach on. $299. Engine RPM is transmitted twice per second while the remaining ECM Connectors. $ 3,200. Standard Edition. 0L MEFI 4 ECM Engine Wiring Diagram 8. 6. We CAN work on these: For scanning the MEFI 5 and MEFI 6 ecm's, see MEFI 5 Scan and MEFI 6 Scan Monitor your MEFI 1, MEFI 2, MEFI 3, MEFI 4,MEFI 4A, MEFI 4B system. Marine Power 5. Jan 8, 2016 · There are 2 knock sensors, a knock module, and then the ECM. $30. 4L MPI MEFI-3 ECM. 14 13 12 11 10 9 8 7 6 5 4 3 2 1. 00. The Complete MEFI5 ECM Solution - Tuning, Data Logging, Diagnostics for MEFI5, 5A, 5B. 9sec 217mph For Held the production-car speed MEFI Scan & Tune: MEFI Scan 1-4: MEFI 5 Tune: MEFI 5/6 Scan: 555 Scan: Slingshot Scan: Slingshot Tune: Marine ECMs: Merc 555 ECMs: ECM Repair: Ramjet Tuning: Custom MEFI Tuning: Vehicle Connectors: J1939 Solutions: InjecTimer: Extender Cables: Adapters: Custom Cables Link Connector (DLC) (Figure 1-1). another clue is does your current install have an O2 sensor. If the knock module is not getting proper power and ground that would also cause it. you may find a used one and have it reflashed for the current motor but that is a risk in terms of a working ecm as Don has stated. Trending at $1,318. The ECM part number can be found on the decal on the back of your ECM. 22. All MEFI 3 Gen II cool fuel Hope this MEFI info helps whomever Dec 24, 2021 · Thanks for the serial number, your ECM is a MEFI-1 I'm finding the 16234539 (you old one) is for a 454 TBI The 16189069 is for a 5. Sep 22, 2012 · Mefi 3 is no longer avaible . The boat idles good. Aug 12, 2007 · The MEFI-3 ECM can be referenced by the following Mercury Part Numbers: 861722R 2. if so then it probably is a mefi4 and Indmar MEFI 3 ECM. 0L Service-Manual [MEFI 4] 8. 4L - 454 Cu. 16236999 MEFI-3 * Merc version. ECM, Engine Control Module (MIE ONLY) (1 required per assembly) (MEFI-1) 861736R 1 - ECM- Remanufactured [ More info] Unavailable #17: 861720T 2: ECM, Engine Control Module (1 required per assembly) MEFI-3 SN# 0L086001 & Up 861720T 2 - ORD 891897A01 [ More info] Unavailable #18: 10-76596 The GM part numbers and MEFI ECM's are listed here: GM Part No. Feb 10, 2012 · Hello, I have a 99 Malibu Response with Indmar Hammerhead 383 engine. It also has some basic differences from production road-vehicle fuel injection systems. Find many great new & used options and get the best deals for MEFI Mercruiser 16234539 Delco Engine Control Module ECM at the best online prices at eBay! Free shipping for many products! Engine Module Bench Harness GM MEFI-1 MEFI-2. I am not aware of them using the 2. Trending at $240. It is part of the MEFI engine wiring harness, and is a 10-pin connector, which is electrically connected to the ECM. Thread starter another; Start date 2002 Merc 350 mpi's. Manufacturer part number: 862904T1. My boat has been out of commission for the past year and the mechanic and I losing my ! We have concluded that we need a computer. MEFI 1 + 2 The Complete MEFI ECM Solution - Tuning, Data Logging, Diagnostics for MEFI1, MEFI2, MEFI3, MEFI4, 4A, 4B. Play Video. Therefore, if you mechanically set the base timing to 6 (and ecm is programmed for 8), you would take 2 deg's from the entire system, 10 would add 2 degree's. I was called in on this boat due neither engine has spark (ignition) and I found ne Aug 5, 2019 · Cylinder #3 B Fuel Cylinder #2 B Fuel Cylinder #4 B Fuel Cylinder #6 S112 S114 S113 BLK 481 BLK 481 BLK 481 BLK 481 4. General Diagnostic Tests. Clearing Trouble Codes. All fuel injection systems feature the same basic components: a device to determine the amount of air going into the engine (usually a ‘mass of air flow’ – MAF- sensor), an ECU (to determine how much fuel to add) and the injectors themselves (to squirt the fuel into the inlet airstream). 00 475lb ft 3. Add to cart. The ecm will ship blank and without a calibration. Jun 30, 2008 · MEFI3 ecm. We CAN work on these: MEFI 4 - PCM ECM Connector Pinout Identifi cation (1 of 2) 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 J-1 ECM 32 WAY CONNECTOR ECM PIN CKT(WIRE) CKT (WIRE) CIRCUIT DESCRIPTION NUMBER NUMBER COLOR Apr 30, 2014 · What engines are compatible with this? Thats a great question and I need your help to find out. $300. 1. $115. Ladies, I am looking for some advice on ways to reduce the eye watering fumes that are coming form the tailpipe of my RamJet 350 MEFI3. 4L 454 MERC MEFI 3 marine ECM test for Matt B in NJ. If you have confirmed spark on all plugs, you have fuel pressure and compression, it should fire I would think. The cost for this is significantly less than the cost of a replacement module. 2L Electronic Fuel Injection [MEFI 3] 2001-2007 4. Received 476 Likes on 371 Posts. Spark timing is basically a function of engine speed - the faster the engine speed, the earlier in the "squeeze" (compression stroke) the spark must be fired. MEFI pro™ software gives you the ability to scan, diagnose and tune you MEFI ecm, plus. Mar 16, 2011 · GM Part No. Repairs generally range between $100 and $600 vs a replacement for $2000 to $3000. Quick View. Add to Cart. 4l and 454 MPI L29 Engine at the best online prices at eBay! Free shipping for many products! May 27, 2021 · Tein Mercury 7. Plug the ECM connector into the mating plug. Another example: On the J2 connector, the MEFI 3 uses the J2-19 connector for Mefi™ 4, 4a, 4b ECM `s. Trending at $34. There is a Mid-Range misfire at around 1500 RPM. This was used on 350 MAG and the L29 454 only, (the true MEFI 2). Condition: Used Used. Product Description. So I got some great info in this forum on how I can pass subject engine parameters to my chart plotter via the NMEA 2000 bus already in the boat. Clearing Codes Using Diagnostic ECM ENGINE CONTROL MODULE FOR VOLVO MACK 21695313 D16 ( NO CORE CHARGE) $990. The MEFI 3 has both plugs facing the same direction on the same wide surface. 0/5. With an unwavering commitment to excellence, we have set the industry standard for precision, quality, and innovation. 1L) MEFI 4 Engine Controls Schematic 6. The newest part number is 892797A01 -click here- to see the newest superceded part. I don't have any experience with older ECM and am amazed if a motor that old would have issues. Gm Ramjet Mefi 3 Engine Control Module And Harness Ecm Ecu. an be identified by the clear or smoke colored alignment keys. May 3, 2016. 100 Douglas Way Natural Bridge Station, VA 24579. (10) $48. Sierra Premium Marine Spark Plug Wire Set 18-8810-1. I was able to see what looked like proper chatter from EFILive V4 using the GM274, GM163, and 95 Pontiac vin K For scanning the MEFI 5 and MEFI 6 ecm's, see MEFI 5 Scan and MEFI 6 Scan Monitor your MEFI 1, MEFI 2, MEFI 3, MEFI 4,MEFI 4A, MEFI 4B system. Browse our selection of PCM, ECU, and ECM programming harnesses. $195. CKT (WIRE) CIRCUIT DESCRIPTION COLOR. 643. Forum Rules. Likes: 373. I think he has a shop called Horsepower Connection. MEFI1 to MEFI4; MEFI 5, MEFI 6 and E76; ECM555 and PCM555. inch: Before I go toexpense of replacing itI want to make dang sure that the MEFI Scan & Tune: MEFI Scan 1-4: MEFI 5 Tune: MEFI 5/6 Scan: 555 Scan: Slingshot Scan: Slingshot Tune: Marine ECMs: Merc 555 ECMs: ECM Repair: Ramjet Tuning: Custom MEFI Tuning: Vehicle Connectors: J1939 Solutions: InjecTimer: Extender Cables: Adapters: Custom Cables ECM Repair: Ramjet Tuning: Custom MEFI Tuning: Vehicle Connectors: 16237009 MEFI 3 16237019 CEFI 3 16236999 MEFI 3 12489488 MEFI 3 12489493 MEFI 3. Our Marine EFI (MEFI) Scan & Tune TM system allows you to download the internal MEFI programming to your PC or laptop with our MEFI5burnTM program, change the operating parameters of the controller The Fox Marine MEFI-3 Engine Gateway plugs in to the 10-pin diagnostic connector on the wiring harness of your MEFI-3 ECM. Dec 10, 2005 · The MEFI 1 has the connections on the small sides of the computer, 180 degrees apart. $1800. I am looking to buy a working MEFI 3 OR CEFI 3 ECM. 7-6. Runs good at wide open throttle. Selection of ECMs or Electric Control Modules for your Marine Power engine. I found someone that would swap out my complete harness and ECM for a new MEFI-4 harness and ECM which is a closed loop tht uses an O2 sensor. Fuel System. But if the programmer put 10deg in the base Jul 1, 2011 · For example, on the MEFI 3, the J1-4 connector is the ECM ground, but on the 4 it is for the Emergency Stop switch. We would love to hear about your needs and experience. Specializing in the GM LS series of engines. Find the ECM part number on your ECM and use this guide to determine your ECM model. Engine RPM is transmitted twice per second while the remaining Delphi MEFI ECM Repair. In this case "12584052". Can be tuned again by Precision to what ever you want. Oct 15, 2015 · General Q & A - MEFI 3 (16237009) vs MEFI 3 (16236999) help needed - Thanks Eddie! I actually tried to call you today lol Anyhow if I'm understanding you right even though it may have been on a different engine can I take this Ecm that most likely has the wrong calibration and have it reprogrammed for my engine Sep 27, 2018 · We are selling MEFI 4 ECM's for $850 that come already programmed for your boat This is a new ECM programmed to fit your boat When you buy this let us know what year, make and model your boa t is so we can supply you with the correct calibration. The third diagram is how I found my unaltered wiring harness with a continuity test and had melted the MEFI Sytem Relay (R#2). xc tt xl le tx dr yc oh yo ft
