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Page 13+: 60 results shown for ECU.

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

• Digifant Operating Specs
  Historical mailing list - Gary Stearns
  Sat, 11 Nov 2000 17:47:44 -0500
  ...what O2 sensor output range is considered normal with the ECU adjusting things? I thought that the O2 sensor / ECU combination attempts to adjust...
• Re: ECU relocation / new 1.9 harnesses
  Historical mailing list - Old Volks Home
  Wed, 12 Dec 2007 09:25:55 -0800
  ...Maybe the rear portion of the closet or even in the "airspace" just under the closet might be a better place for the ECU...
• F.S. Fuel Injection parts from 1987 2.1 Digifant!
  Historical mailing list - Joel Lane
  Tue, 14 Jan 2003 14:07:18 -0700
  ...Electronic Control Unit (ECU)(I've seen these in the $200's used) Air flow meter (4) fuel injectors w/fuel rails Distributor/Hall...
• Re: can a locked fuel pump kill an ECU?
  Historical mailing list - David Brodbeck
  Wed, 12 Nov 2003 13:49:54 -0500
  ...I dug out my Bentley and looked at the wiring diagram, and the ECU controls a relay, which then switches power to the pump...
• Re: AFM Characteristics
  Historical mailing list - Mike Collum
  Sun, 11 Nov 2007 11:23:39 -0500
  ...we do know that the European 2.1 digijet ECU will work with a US 1.9 AFM. Hmmmmmm Mike Mike Collum wrote: > It...
• Engine died up date
  Historical mailing list - Alistair Bell
  Sun, 29 Mar 2020 12:02:17 -0700
  ...No movement on tach Still no gas smell from tailpipe Next is to examine ecu , esp the ecu ground . Thanks again for all the...
• Re: ECU for an '80 2.0L
  Historical mailing list - tim vb-o'brien
  Tue, 28 Dec 1999 10:56:53 -0800
  Could you list the existing Part numbers on the ECU itself. There are different numbers for CA and Federal Emissions standards. tim > Aaron Waxman...
• Re: Daily Update On My Injectors
  Historical mailing list - David Kao
  Fri, 28 Dec 2007 18:25:11 -0800
  ...My thought is if the ECU is not grounding the leads to one of the two leads of each injector the 4 leads are...
• Disconnect O-2 sensor>>Digifant II: Son of Digifant? Tell Me More
  Historical mailing list - Mark B. Magee
  Wed, 19 Feb 1997 22:16:31 -0600
  ...Don Gibbons ======== > When I had my syncro (and idle problems) I once took apart the ECU. I have > access to PROM copy and programming...
• ECU?s
  Historical mailing list - Tristan Henderson
  Tue, 9 Nov 1999 21:22:41 CST
  hi all, anyone out there know where to get an ECU rebuilt? i heard of someone (maybe in Ohio?) who was "the best" from...
• spare ECU
  Historical mailing list - jpbeauch
  Wed, 22 Jun 2005 11:52:43 -0400
  HI all, I'm trying to get my hand on a spare ECU for a my 1991 Westfalia vanagon syncro. Please contact me privately...
• Re: 84 Westy Fuel Pump Problem
  Historical mailing list - Robert Keezer
  Sat, 11 Jun 2011 21:51:59 -0700
  Hi Nirav, � The ECU controls the fuel pump negative ground side.The ignition switch sends 12 volts to the ECU when switched on. You...
• Re: Technical question re: Injector firing signal
  Historical mailing list - David Kao
  Wed, 8 Oct 2008 14:36:36 -0700
  ...One of the two injector leads is supplied with +12v and the other will be grounded by the ECU when the ECU fires the...
• Re: I got: 025 906 021C, what did I get?
  Historical mailing list - Old Volks Home
  Mon, 9 Oct 2006 09:12:41 -0700
  ...Both the original (to the vehicle) ECU and the replacement spare were labeled 025 906 021. Interesting side-bar note: The original ECU was...
• Re: Mailing from Japan
  Historical mailing list - yoshimoto
  Fri, 13 Apr 2007 16:03:06 +0900
  ...Model:SIEMENS ECU No:023 906 023 A Above ECU was replaced with 023 997 023 X (Remanufactured). I am still looking for two...
• Re: '85 Westy 2.1 complete conversion.
  Historical mailing list - Old Volks Home
  Sat, 14 Sep 2013 21:32:22 -0700
  ...Recommend checking the O2 sensor, replace if needed, as well as the Coolant ECU Sensor. Several years ago, my 1.9 ECU failed outside...
• Re: Where do I stick this?
  Historical mailing list - Ken Lewis
  Sat, 13 Sep 2008 16:19:52 -0400
  ...In the early 80s VW utilized a secondary emissions ECU, > usually > made by a company named "HJS". This HJS ECU had its own wiring...
• Re: Engine died, ecu quick look
  Historical mailing list - Neil N
  Mon, 30 Mar 2020 09:11:16 -0700
  ...... and I'm happy to open up and take pics of my "spare" known good WBX Digifant ECU. On 3/30/20, Neil N...
• Re: ECU q's
  Historical mailing list
  Fri, 31 Jan 1997 19:25:31 -0500 (EST)
  In a message dated 97-01-31 12:46:03 EST, tony@moorelab.com (Tony Moore) writes: > Does anyone know if an ECU from...
• Digitool diagnostics
  Historical mailing list - Stanley, Kerry
  Wed, 15 Mar 2000 11:57:54 -0500
  ...Swap ECU's? For those who have built one themselves, how comfortable were you in soldering to the ECU. I've built Heathkits in...
• Re: 84 Vanagon--Won't start at 40 degrees
  Historical mailing list - David Beierl
  Sat, 9 Mar 2013 19:33:24 -0500
  ...I'd be really interested to know what voltage the ECU was seeing on the Temp-II input (engine internal temp). If you check...
• Re: TIICO/OBD2 - Parts
  Historical mailing list - Sean B.
  Tue, 11 Jun 2002 12:18:41 -0700
  ...VAG-COM has an option to test the ECU for OBD2 copatability... The TiiCo fails this. Sean B. '90 V'gon, "Happy Bus", pseudo...
• Re: Bentley wiring diagram. Questions on how to read.
  Historical mailing list - Mark Drillock
  Sun, 24 Feb 2008 14:57:11 -0800
  ...whenever the ecu is powered up. In > other words 'full time' regardless. > > So my question is, what to do you think this connection is...
• Re: more information on engine swap/fuel pump woes
  Historical mailing list - jesse and monica johnson
  Wed, 25 Apr 2012 09:17:07 -0700
  ...so if all grounds are good on ecu which they are this would indicate a bad ecu then?sorry for the confusion.jess >> >> >
• Re: A damn OS question again, yea!!! now i need some help, it's my turn....
  Historical mailing list - David Beierl
  Tue, 7 May 2002 12:11:03 -0400
  ...Second, the feedback loop between the O2 sensor and ECU is very simple: if the ECU sees > 500 mV it leans the mixture; if...
• Re: I need advice/help - Elecrical
  Historical mailing list - Doug
  Sun, 6 Feb 2005 15:35:16 -0500
  ...For some reason, I'm not getting power to the ECU. '88 Carat, Digifant, with some jury-rigging done to the wiring in the...
• Re: Closed-Loop: what's the ECU waiting for?
  Historical mailing list - Dennis Haynes
  Sun, 4 Nov 2007 00:28:09 -0400
  ...what's the ECU waiting for? What determines when the Digijet ECU decides to go closed loop to control the air-fuel mixture? The...
• Re: 2.1L WBX - Turns well but no fire.
  Historical mailing list - Larry Alofs
  Sat, 25 Mar 2017 13:36:39 -0400
  Does the problem move to the other van when you swap ECUs? On Sat, Mar 25, 2017 at 1:25 PM, John Rodgers <jrodgers113...
• Re: An ECU Thing I Learned Today
  Historical mailing list - Robert Fisher
  Thu, 12 Aug 2010 19:18:38 -0700
  So if I overnight it you can have it back by Monday morning? ...ok, back in the real world, the ECU out of my...
• FS: '85 ECU, '87 Syncro snorkel
  Historical mailing list - Larry Hamm
  Fri, 21 Jul 2000 16:05:05 -0600
  Clearing out the unused items- '85 ECU, $100+$5 shipping '87 Syncro air intake, including the AFM, water separator, connecting hoses, and snorkel, $100...
• Re: ECU
  Historical mailing list
  Tue, 13 Feb 2001 00:37:24 EST
  ...randyherd@HOTMAIL.COM writes: > Following Darrell's advise, I beat my ECU against the garage floor. The van > LOL! sorry , i just had to...
• Got an ECU on the way
  Historical mailing list - Jim Felder
  Tue, 23 Sep 2008 15:41:01 -0500
  I responded first to the first responder to my quest for an ECU, and Mark Drillock had a plan that worked out perfectly. Thank...
• Re: Engine died up date
  Historical mailing list - vw_van_fan_Mark
  Sun, 29 Mar 2020 12:22:27 -0700
  ...The thicker green wire is from the ECU, connected to a transistor in the ECU that switches ground on and off on the green...
• ECU Rebuilds
  Historical mailing list - Mick Kalber
  Fri, 3 Aug 2001 10:21:10 -1000
  ...ECU Rebuilds Normally we sell rebuilt 2.1l Vanagon ECUs for $200 exchange (I need your old ECU). However right now I am out...
• Re: installed new engine.. now have ecu/fuel pump woes....anyone help me?
  Historical mailing list - David Beierl
  Sun, 22 Apr 2012 17:36:46 -0400
  ...just spaced out on this. >Would this fry the ecu?? They're connected in parallel IIRC so it makes not the slightest diff. what...
• Re: Cold start issue
  Historical mailing list - Rocket J Squirrel
  Mon, 6 Jun 2011 14:07:04 -0700
  ...bad solder inside the ECU. If that's the case the voltage > across the sender will be low, but the ECU will think it...
• Re: Daily Update On My Injectors
  Historical mailing list - Scott Daniel - Shazam
  Fri, 28 Dec 2007 17:44:44 -0800
  ...Pin 7 of the ECU is ground for ECU. It has nothing to do with the injectors. When you turn on the ignition key...
• FS: AFM harness upgrade
  Historical mailing list - Brent Christensen
  Mon, 5 Jul 1999 14:43:01 -0700
  ...The cable plugs between the afm connector and the ecu fuel injection cable. I will be replacing it with a modification to the ECU...
• ticking ecu in '86 westy
  Historical mailing list - Bravo Sierra
  Sat, 30 Aug 2003 17:19:50 -0700
  ...anyone ever heard an ecu click? any idea why? thanks. Ben.
• Re: idle fuel calculations
  Historical mailing list - Richard A Jones
  Sun, 25 Nov 2007 21:23:26 -0700
  ...injectors or O2 sensor, the O2 sensor is > not used by the ECU at idle. This is why the CO adjustment on the AFM...
• Re: ECU or O2 sensor ?
  Historical mailing list - Don in North Carolina
  Fri, 27 May 2005 14:52:47 -0400
  ...The PO's mechanic (also a > PO) says it needs a new ECU. > The black wire to the O2 sensor was unplugged to fix...
• Re: What should I be looking at next?
  Historical mailing list - mark drillock
  Fri, 30 Jan 2004 12:09:08 -0800
  The ECU is supposed to turn on the fuel pump relay for a few seconds every time you turn on the key. If it...
• Re: First ride of shame, fuel issue
  Historical mailing list - kenneth wilford (Van-Again)
  Sat, 27 Jul 2019 16:32:42 -0400
  We have been seeing failed ECUs causing this issue for a while on the 1.9ls. The ECU actually sends a signal to activate...
• Re: ECU problems tied into Weird Hesitation / Loss of Power
  Historical mailing list - Jeffrey T Cross
  Fri, 29 Oct 1999 23:13:21 -0400
  Almost never, perhaps, but regarding my thread last week (Weird hesitation/loss of power in '85), my mechanic today swapped my ECU with the...
• Re: Actual Vanagon content!!
  Historical mailing list - Mark Seifert
  Sun, 25 Apr 2004 20:42:38 -0700
  That's a good idea, because the junkyards have plenty of Jettas, and an ECU goes for about 30 bucks. I've thought about...
• Re: MAF Sensors and the Vanagon
  Historical mailing list - David Beierl
  Tue, 7 Dec 2010 00:21:52 -0500
  ...This tells the ECU that there's more air going through the system than actually is, causing it to inject extra fuel, hence for...
• Re: ECU-Can I use this?
  Historical mailing list - Old Volks Home
  Tue, 20 Apr 2010 10:44:26 -0700
  Some supplementary search I did in my Bosch database fiche, plus a bit of additional googling point to a Bosch 0261200184 ECU which with...
• Re: A damn OS question again, yea!!! now i need some help, it's my turn....
  Historical mailing list - John Clavin
  Wed, 8 May 2002 23:14:08 -0500
  ...Second, the feedback loop between the O2 sensor and ECU is >very simple: if the ECU sees > 500 mV it leans the mixture; if...
• Re: Question about testing O2 sensor with digital meter
  Historical mailing list - Jim Felder
  Fri, 26 Sep 2008 12:54:27 -0500
  David, I get nothing coming from the ECU lead with the sensor disconnected. Jim On Fri, Sep 26, 2008 at 12:48 PM, David...
• digitool function purpose
  Historical mailing list - Darrell Boehler
  Wed, 23 Sep 1998 12:04:46 -0500
  ...You can observe the start signal is being received by the ecu, the ecu is pulsing the fuel injectors, the o2 sensor voltage indicates...
• Re: what is deal with "d" ecu
  Historical mailing list - John Bange
  Fri, 14 Jul 2006 08:56:44 -0700
  > what is the deal with "D" type ecu and idle control unit?? does this > really > make a difference especially in an 87 van? > > For...
• Re: Buying the ECU Chip- What version ECU to put it in!! -Works w-no rockers!
  Historical mailing list - Brent Christensen
  Thu, 3 Aug 2000 09:24:37 -0700
  ...Buying the ECU Chip- What version ECU to put it in!! -Works w-no rockers! > ...Chip is socketed (not soldered), so swap should not...
• Re: Digifant circuits
  Historical mailing list - Darrell Boehler
  Sun, 24 Jun 2001 08:29:45 -0500
  ...When an 022d ecu started spitting out codes and I thought I had really found something. I soon learned differently. It appears vw/bosch...
• Re: Broken down travelers need help ASAP
  Historical mailing list - kenneth wilford (Van-Again)
  Fri, 16 Aug 2013 09:17:26 -0400
  ...Need to test further and could > use some advice. > I am afraid its their ECU but don't have a spare and time is...
• Re: Mailing from Japan (and question about France)
  Historical mailing list - Joy Hecht
  Sun, 8 Apr 2007 09:12:33 -0400
  ...I have no useful resources for your ECU, but someone else will, for sure. And on an only tangentially related question, is anyone on...
• Re: Drop in gas mileage update
  Historical mailing list - Ken Lewis
  Tue, 26 Oct 2004 11:16:32 -0400
  William, First I would check the input resistance to the ECU. If it is near zero then I would suspect the ECU. If not...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - neil N
  Tue, 5 Aug 2008 10:00:03 -0700
  ...Lately I have been >> generally curious about how engine ECU's work. >> >> I found this page. >> >> http://zone.ni.com/devzone/cda/tut/p...
• Re: 87 vanagon quit while driving
  Historical mailing list - Mark Dearing
  Wed, 26 Sep 2012 16:21:01 -0400
  it was the ECU thanks guys later md In a message dated 9/26/2012 4:18:37 P.M. Eastern Daylight Time, dj...
• Re: Help Please; engine bogging loseing compression and shutting off (150 lines)
  Historical mailing list - Randy Herd
  Wed, 5 Sep 2001 13:17:53 -0600
  It could be the Hall sender and/or the ECU. The black plastic under the bottom of my Hall was broken off causing an...
• 2.1L engine won't fire
  Historical mailing list - John Rodgers
  Wed, 22 Mar 2017 18:14:20 -0500
  ...SWAPPED ECU's - '88 GL starts, runs! Carat won't even fire! ECU swap was all that was done. Verifide ground and connection were...