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Page 12+: 60 results shown for Digifant ECU.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

• Re: Step up the idle
  Historical mailing list - BenT Syncro
  Tue, 21 Aug 2007 01:05:38 -0700
  ...sure what engine management system you have but I thought the Digifant ECU did all the idle compensatiing for the AC and PS. True...
• Re: Idle at start problem
  Historical mailing list - William Dummitt
  Mon, 3 Aug 1998 12:11:46 -0400
  ...This is a little switch underneath the throttle body that tells the ecu when the engine is at idle or full throttle. The way...
• Re: Lowering Coolant Pressure for Headgaskets
  Historical mailing list - harald.nancy
  Tue, 19 May 1998 14:51:03 -0700
  ...Remember, the entire > Digifant system is reliant upon 195 deg F water temp for proper (ops normal) > feedback to the ECU. Anything lower than...
• Re: Failing Fuel Pump?
  Historical mailing list - Joel Walker
  Tue, 19 Jul 94 00:38:41 CDT
  ...check continuity of wire from terminal 85 of fuel pump relay holder to terminal 3 of ECU. if continuity is ok, replace ECU. - reinstall...
• Re: Temp II voltages
  Historical mailing list - David Beierl
  Mon, 30 Apr 2001 21:45:41 -0400
  ...That doesn't mean that the ECU necessarily drives them the same way. My own *guess* would be that the difference is not significant...
• Digifant problem....closer to fixing
  Historical mailing list - Vanagon man
  Mon, 17 Jun 2002 08:55:55 -0400
  ...Last night red thru the protraining Digifant book, and Looked at the wiring diagram................Here are my discoveries. After reading, I really focused on...
• Re: WANTED: Pictures of Syncro engine compartment
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 26 Jul 2008 13:58:46 -0700
  re "I can not figure out where these harnessess mate with the vehicle main harness. ' Do you have a wiring diagram for the ECU...
• Full Throttle AC Cutout?
  Historical mailing list - John Bange
  Sun, 27 May 2007 10:33:05 -0700
  ...Of course, since the Digifant full throttle switch does double duty as the "no throttle" switch, it wouldn't work to just scab onto...
• Need several parts for SA trip
  Historical mailing list - Don & Sue Welch
  Thu, 10 Aug 2000 18:43:53 -0700
  ...Digifant computer... (ECU..?) 2. At least two injectors... 3. A distributor.... I know... expensive parts.... Let's hear what you can do...!! Thank you...
• Re: Question about temp II sensor and bad running
  Historical mailing list - Allan Streib
  Thu, 11 Sep 2008 16:04:31 -0400
  ...Does anyone use this? Here's where I read about it (link below) it's a page about Digifant "tune ups" mostly specific to...
• Re: More AFM/ECU reverse engineering results coming
  Historical mailing list - jon
  Wed, 20 Dec 2006 18:23:12 -0800
  ...ECUs and other > >>>funny business in the Digifant injection system. It's classic 80's > >>>embedded CPU technology. > >>> > >>>I pulled apart a bad ECU...
• Re: making a little headway but need advice
  Historical mailing list - Steve Cotsford
  Sat, 7 Dec 2013 13:47:46 -0500
  ...ECU know when to fire the injectors? >> > >> 3 Any thing else that I should do? Electrical tests. Mechanical >> tests. Stuff that all Vanagon Digifant...
• Re: re. O2 sensor output voltage
  Historical mailing list
  Sat, 11 Nov 2000 21:25:22 -0700
  ----------- original message ----------------- the ECU keeps moving from one side of 'ideal' to the other ... that is, it'll make the mixture richer until that...
• Re: Love that Digitool!
  Historical mailing list - Karl Wolz
  Fri, 21 Jan 2000 09:14:00 -0800
  ...It is the same as > the digifant digitool except it has different wiring to the ecu. I also make > an adapter for people with...
• Brain failure?
  Historical mailing list - Don Hanson
  Fri, 22 Dec 2006 16:58:56 -0800
  ...motors, a failed ECU? More specifically, on the Digifant motors? The precaution of tossing in a spare brain for trips into the 'out-back...
• Idle Stab - contradiction
  Historical mailing list - Rocko Flamefart
  Thu, 26 Dec 96 14:27:23 -0600
  ...no ECU input. *** before Mr. Skerbitz corrects me, (and he WILL!) i'll correct myself. the Digijet system DOES have some form of electronic...
• Re: need dealer part # for coolant temp sensor
  Historical mailing list - L&A Johnson
  Wed, 30 Jun 1999 22:56:43 -0400
  ...threaded > 2 pin sender, VW 251 919 501, for input to Digifant ECU, is NOT threaded > You can order these from the Bus Depot...
• Wiring Harness / Digijets
  Historical mailing list
  Fri, 13 May 94 11:20:48 EDT
  ...All Vanagon Digifant Fuel Injection Engines ^^^^^^^^ This is the wiring harness problem. One of Joel's past posts described the Vanagon fuel injection systems...
• Re: Idle Stabilizer Control Unit Reverse Engineering
  Historical mailing list - neil
  Mon, 8 Jan 2007 11:43:49 -0800
  ...Hopefully some has the time to engineer this thing. > THe VW digifant Jetta 88-92 has this built into the > ECU, and these are...
• Re: ECU: burned parts. PICS (Jetta Engine in Vanagon)
  Historical mailing list - Jon VonOhlsen
  Mon, 15 Sep 2014 12:47:12 -0600
  Couple of Digifant schematics, not complete internally, but may help. Might try ecudoctors.com.... Jon On 9/14/2014 4:09 AM, Roy Nicholl...
• Re: Temp sensor and Temp sender
  Historical mailing list - kenneth d lewis
  Sun, 12 Dec 1999 14:43:15 EST
  ...It supplies info to the ECU or brain. The smaller, single wire device next to it is refered as the sender. It controls the...
• Re: Vanagon Syndrome/AFM Mounting Orientation?
  Historical mailing list - Alex MeVay
  Fri, 7 Feb 2020 09:40:33 -0800
  ...The hesitation happens also when the engine is cold and the ECU is still ignoring the O2 sensor and using only the AFM. At...
• Re: YAHOOOO (well, almost)
  Historical mailing list - Laurence Smith
  Sun, 3 Nov 2002 11:11:34 -0500
  ...problem, I changed EVERY digifant component and it was only when I was reviewing the grounds AGAIN, that the ECU terminal 19 ground came...
• Re: Engine conversions (Was: I've seen the Tii conversion completed
  Historical mailing list - Undetermined origin c/o LISTSERV administrator
  Mon, 5 Jun 2000 15:06:49 -0700
  ...They are all issues that can be overcome, (and pretty easily by using a digifant II ecu from the 2l 16 valve engines, though...
• Re: Continued Bucking - Digifant readings
  Historical mailing list - Ed DeBolt
  Sun, 20 Jan 2002 15:26:13 -0800
  ...Bad ground somewhere, or possibly bad supply voltage to ECU. That >voltage is what the ECU is seeing, not what the battery is >delivering...
• Re: Are all 2.1 engines digifant?
  Historical mailing list - JRodgers
  Sun, 4 May 2014 13:25:06 -0500
  ...signaling device on the distributor that supplies the signal that the ECU uses to fire the injectors. J0hn On 5/4/2014 1:09...
• Digifant performance stuff.
  Historical mailing list - Gary Stearns
  Mon, 13 Nov 2000 20:18:48 -0500
  ...The ECU says "more" the regulator says "that's all there is". When the ECU says more to a Hi Perf. regulator, it says...
• Re: spark plugs: 8 plugs in a 4-banger!
  Historical mailing list - Robert Lilley
  Thu, 7 Sep 2000 23:04:56 EDT
  ...Plus with Digifant, the ECU control the spark not the distributor. You would have to have a new FI system to go along with...
• Re: Simplest and best engine swap going
  Historical mailing list - Eric Zeno
  Wed, 16 Jul 2003 11:51:24 -0400
  ...I think, the Vanagon ECU was retained, along with everything else, needed to run the existing Vanagon fuel system. Good idea, IMHO. Eric kdlewis...
• Re: What voltage do injectors need to fire?
  Historical mailing list - Doug in Calif
  Mon, 6 Sep 2004 21:43:25 -0700
  ...What voltage do injectors need to fire? > > > >With the Digifant system, does anyone know what > >voltage the ECU sends to the injectors to get...
• Re: Random wire... Ugh.
  Historical mailing list - Alistair Bell
  Wed, 30 Jun 2010 11:06:45 -0700
  ...You can see it on Bentley page 97.123 where it connects to the Digifant ECU pin 20 and to a dash MAL-IND...
• Re: Random wire... Ugh.
  Historical mailing list - Larry Alofs
  Wed, 14 Jul 2010 13:27:36 -0400
  ...You can see it on Bentley page > 97.123 where it connects to the Digifant ECU pin 20 and to a dash > MAL-IND...
• Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
  Historical mailing list - Dennis Haynes
  Fri, 27 Jul 2012 18:47:31 -0400
  Scott pretty much answered this but to clear, if you open the ECU you will see that all 4 injector wires go to the...
• Re: VW relay #53, 141 951 253B
  Historical mailing list - Neil N
  Thu, 2 Jun 2016 12:54:11 -0700
  ...even. > Or an error? Though this is a 86 Digifant, it names the ECU relay as a > "Digijet" . Hmmm-I'm not familar with...
• Quantum 5 cyl won't start( no Vanagon..)
  Historical mailing list - Robert Keezer 19618-5th Ave so Seattle WA 98148
  Fri, 29 Oct 1999 04:48:24 EDT
  Does anyone know if the ECU controls the ground for the fuel pump? I am familiar with Digifant but not CIS and my listmember...
• Re: Is ECU involved in getting power to fuel pump when turning ignition switch on?
  Historical mailing list - Dennis Haynes
  Mon, 23 Jul 2007 20:18:21 -0400
  ...Is ECU involved in getting power to fuel pump when turning ignition switch on? No http://www.loam.org/vw/Vanagon/VanagonProTraining/DigiFant/ (page...
• Re: More AFM/ECU reverse engineering results coming
  Historical mailing list - John Lauterbach
  Wed, 20 Dec 2006 22:07:20 -0500
  ...ECUs and other >> >>>funny business in the Digifant injection system. It's classic 80's >> >>>embedded CPU technology. >> >>> >> >>>I pulled apart a bad ECU...
• Re: Digifant II quirky issue. 3000 RPM rev limit?
  Historical mailing list - Don Hanson
  Wed, 10 May 2017 20:16:49 -0700
  ...On May 10, 2017 8:02 PM, "Chris S" <szpejankowski@gmail.com> wrote: > I'm suspecting the ECU having gone into some kind of...
• more Vanagon related eBay auctions for $1
  Historical mailing list - David Marshall
  Mon, 29 May 2006 21:03:42 -0700
  ...8070576639 Volkswagen Vanagon 86-92 Digifant 022D ECU computer - Item number: 8070577756 Volkswagen Vanagon 83+ Diesel rubber motor mounts - Item number: 8070579456 Volkswagen Passat...
• Re: What IS Vanagon Syndrome, exactly?
  Historical mailing list - mark drillock
  Fri, 18 Oct 2013 14:12:32 -0700
  I have pulled a lot of the VW dealer syndrome harnesses from Jettas and Golfs with Digifant at the junkyards so certainly those cars...
• Digifant problems - uneven running
  Historical mailing list - Steve Johnson
  Mon, 10 Oct 94 9:55:53 PDT
  ...This resonance causes the air-flow meter to supply an inter- mittent signal to the Digifant ECU. The ECU will then default to a...
• Re: To waterboxer or not to waterboxer
  Historical mailing list - Dana Morphew
  Mon, 3 Jan 2000 07:38:22 -0800
  ...similarities between it and the wasserboxer 2.1's Digifant I (the harness, ECU, and other electrical components may interchange). Just a thought. -Dana...
• Re: DJ Compression Ratio
  Historical mailing list - Kim Springer
  Tue, 24 Jun 2008 20:04:12 -0700
  Hi Chris, You have to run the DJ motor on super and I have only run my engine with the digifant, ox sensor and...
• Re: 86 digifant running rich
  Historical mailing list - M.R. Nimmo
  Thu, 3 Jun 1999 06:32:31 -0700
  Wow! What should a "parts-replace-not-yet-promoted-to-backyard-mechanic" do to learn the basics of the digifant system? I have a...
• Re: What voltage do injectors need to fire?
  Historical mailing list - Vince S
  Mon, 6 Sep 2004 21:54:03 -0700
  ...What voltage do injectors need to fire? > >With the Digifant system, does anyone know what >voltage the ECU sends to the injectors to get...
• Re: runs rough in rain
  Historical mailing list
  Thu, 27 Feb 1997 13:05:34 -0800
  ...I thought the ECU controlled idle stablization with the digifant system on an 88 (and therefore, there was no separate idle stablizer besides the...
• Re: Digi- WHAT ??
  Historical mailing list - Joy Hecht
  Thu, 28 Sep 2006 08:46:07 -0400
  ...the :::digifant seems to be more tempermental and the ECU's can be problematic, :::but i :::wouldnt bother swapping your entire fuel injection system...
• Re: Power Steering Relay
  Historical mailing list - Darrell Boehler
  Sun, 28 Jan 2001 16:23:15 -0600
  ...One ( digifant relay) supplies power to the ecu, o2 heater, iscu, injectors. It is energized by one of the contacts on the ignitions switch...
• Re: WANTED: Pictures of Syncro engine compartment
  Historical mailing list - Chris S
  Sat, 26 Jul 2008 17:09:05 -0400
  ...The DJ wiring harness is in two >> pieces, >> one main ECU and a secondary ECU which controlls O2, and other functions. >> They both sit...
• Re: More rant on grounds and vanagon syndrome Friday
  Historical mailing list - Mike Miller
  Thu, 10 Apr 2003 10:04:26 -0700
  ...This means that the O2 sensor > input to the ECU actually goes to a voltage BELOW ground (negative with > respect to ground) periodically. > > I...
• Re: Digifant performance stuff.
  Historical mailing list - Gary Stearns
  Tue, 14 Nov 2000 08:08:10 -0500
  ...The digifant system will go out of closed loop when at full throttle or the full throttle switch is transferred. Listee Kay Fremgen from...
• Re: Help! Hesitation on the road!
  Historical mailing list - Dennis Haynes
  Wed, 10 Aug 2011 18:39:53 -0400
  ...This resonance causes the air-flow meter to supply an intermittent signal to the Digifant ECU. The ECU will then default to a "no...
• Re: Bosch ECU connectors
  Historical mailing list - Darrell Boehler
  Thu, 7 Oct 1999 11:24:50 -0500
  ...I have done this on an 81 california L-Jetronic system and another listee has done it this way on a digifant 2 system...
• Re: Digifant ECU: Corrosion? And.... Rosin or Heat Damage? PICS
  Historical mailing list - neil n
  Sun, 8 Jul 2012 11:32:00 -0700
  ...I thought it might be a D suffix ECU but don't see that in the PN on ECU case. I don't recall...
• Re: More rant on grounds and vanagon syndrome
  Historical mailing list - John Rodgers
  Thu, 10 Apr 2003 13:12:55 -0600
  ...Do you think it possible to agressively attack the grounding issues by installing direct ground wiring from the ECU to the engine, and from...
• Re: Is ECU involved in getting power to fuel pump when turning ignition switch on?
  Historical mailing list - benoit
  Mon, 23 Jul 2007 21:45:11 -0400
  ...Is ECU involved in getting power to fuel pump when turning >ignition switch on? > >No > >http://www.loam.org/vw/Vanagon/VanagonProTraining/DigiFant/ >(page...
• Re: More AFM/ECU reverse engineering results coming
  Historical mailing list - -------------------------
  Wed, 20 Dec 2006 21:47:08 -0500
  ...ECUs and other >>>>>funny business in the Digifant injection system. It's classic 80's >>>>>embedded CPU technology. >>>>> >>>>>I pulled apart a bad ECU...
• Re: half-lilley becomes quarter lilley
  Historical mailing list - Derek Drew
  Wed, 15 Nov 2000 07:33:26 -0500
  ...In spite of my mechanics insistence (without >checking) that we had an 022D Digifant ECU in my 89 Syncro Westy, it ends up >that...
• Re: No spark in the Digifant
  Historical mailing list - Joe Wagner
  Tue, 12 Aug 1997 19:25:31 -0400 (EDT)
  ...I rang out > wires to the ECU, cleaned the coil connections tested the coil as per > bentley OK. brings me to the Hall sender...
• Re: Isolating an idle problem?
  Historical mailing list - Stuart MacMillan
  Sun, 21 Dec 2014 11:33:35 -0800
  ...intermittent low idle-sometime no idle with my Digifant 84 van 92 rabbit/fox/Jetta ecu, etc. This condition is occasional, when not happening...