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Page 28+: 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.

• Re: Hall sender bad? Unt why?
  Historical mailing list - Benny boy
  Fri, 23 Mar 2007 22:20:25 -0400
  ...Could the bad rotor (if it is bad) kill an otherwise good ECU? Thanks for any ideas on this one. I'm not driving...
• Re: ECU and starting question
  Historical mailing list - Mike Collum
  Tue, 17 Jul 2007 17:04:39 -0400
  ...When the fuel pump gets power, the engine starts every time and runs well. > > A local mechanic is convinced that the ECU is causing...
• Need one more part (I hope that's all) for my 2.1
  Historical mailing list - Jim Felder
  Wed, 24 Sep 2008 18:06:10 -0500
  Thanks to all who responded to my need for an ECU for diagnostics on my no-spark issue. I got the one Mark Drillock...
• Cold Start/haltech Update
  Historical mailing list - Max Wellhouse
  Mon, 24 Mar 2008 20:36:06 -0500
  ...The red/white wire from the fuse block to the ECU shows no resistance when disconnected from the ECU, so I have to assume...
• Re: Will not start question
  Historical mailing list - David Kao
  Sat, 21 Jul 2007 08:39:11 -0700
  If I remember correctly the 4 injectors are not individually driven by the ECU. I once studied the ECU and found the 4 injector...
• Re: Update Re: Engine died, March 31 update and maybe ecu smoking gun?
  Historical mailing list - Alistair Bell
  Tue, 31 Mar 2020 17:37:27 -0700
  ...Engine died, March 31 update and maybe ecu smoking gun? > > It worked! > > Thank you very much mark for all your help. > > Alistair > >>> On Mar...
• Re: She's Home! (Was: '87 Vanagon turns and turns but won't start)
  Historical mailing list - neil n
  Tue, 18 Sep 2012 09:19:43 -0700
  ...If it weren't for the fact that testing at ECU connector would become a drag, or that harness likely too short, was considering...
• Re: Prelim ecu plug test... interestin
  Historical mailing list - Alistair Bell
  Sun, 29 Mar 2020 12:42:59 -0700
  ...Bell <albell@shaw.ca> wrote: > > First steps in Bentley 24.61 > > Ecu plug, Voltage. 13 and 14 , battery voltage ... good > 14 and 19, no...
• Re: '86 Running very rich still
  Historical mailing list - David Beierl
  Mon, 7 May 2001 22:42:58 -0400
  ...Timing, AFM, Temp I, fuel pressure regulator, exhaust leak, injectors leak?, ECU grounds, ECU...if you try to shotgun it you're going to...
• what is deal with "d" ecu
  Historical mailing list - Jason Willenbrock
  Thu, 13 Jul 2006 21:00:36 -0400
  hey all, what is the deal with "D" type ecu and idle control unit?? does this really make a difference especially in an 87...
• Re: No start after temp II replacement - conclusion
  Historical mailing list - Mike S
  Fri, 15 Feb 2008 19:47:05 -0500
  ...The ECU uses it to adjust the mixture. The mixture has a definite affect on engine temperature.
• Re: Need instructions on field R&R of AFM '84 1.9L Van down
  Historical mailing list - jhlauterbach
  Wed, 23 Nov 2011 13:09:14 -0800
  ...I stopped in Adrian to refuel and swapped the ECU. Fixed the problem, it was a worn-out or bad ECU. Always carry a...
• Re: Digitool Installed, totally Excellent!
  Historical mailing list - Marshall Ruskin
  Sun, 16 May 1999 00:10:15 -0500
  ...Now, since the cable gets connected to the ecu (soldered right onto the ecu's board), the voltages are really very useful for extensive...
• Re: No spark, no hall juice, tech help request.
  Historical mailing list - Dennis Haynes
  Thu, 23 Oct 2003 22:23:43 -0400
  The ECU is not involved in switching the 12 to the ignition coil or the Hall sensor. Check to see if 12 volts is...
• Re: '90 GL dying at idle
  Historical mailing list - miguel pacheco
  Thu, 18 Mar 2010 09:05:11 -0600
  ...Edison On Thu, Mar 18, 2010 at 9:01 AM, miguel pacheco <mundopacheco@gmail.com> wrote: > Have you tried tapping on your ECU? I...
• Oxygen sensor: is a shielded wire necessary?
  Historical mailing list - karl
  Wed, 3 Nov 1999 20:12:53 -0500
  ...After much swapping and testing of sensors, AFM's, ECU's, I found the problem to be a shorted out oxygen sensor lead. This...
• Re: Engine died, great update, it starts!
  Historical mailing list - Bruce Todd
  Thu, 2 Apr 2020 11:09:29 -0700
  ...Alistair should have a bit more peace of mind now that his ECU won't misbehave during a future trip on a remote Vancouver...
• ECU location on 86 Westy
  Historical mailing list
  Sat, 13 Apr 1996 09:34:07 +0000
  Hello, I'm looking for the ecu without the aid of a Bently :( Can anyone please tell me where specifically it is and what...
• Won't spray gas, won't start
  Historical mailing list - Zoltan
  Tue, 2 Dec 2008 15:22:36 -0800
  ...The following has already been done; Changed relays with known good ones, changed distributor, to make sure Hall sender is working, changed ECU, fixed...
• Re: Engine died, ecu quick look
  Historical mailing list - David Beierl
  Sun, 29 Mar 2020 21:42:08 -0400
  > > You mean the hall sensor connector on dist? Yes d > >
• Re: ECU's - don't ask me the hard questions!
  Historical mailing list - Dan N
  Fri, 18 Aug 2017 19:28:25 -0700
  do they have exact code numbers?
• Re: More rant on grounds and vanagon syndrome
  Historical mailing list - Madsen, Ken
  Thu, 10 Apr 2003 13:09:23 -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: Technical question re: Injector firing signal
  Historical mailing list - David Kao
  Fri, 10 Oct 2008 23:16:47 -0700
  ...A bad > coil may still > > produce some sparks but sends noise to the ECU which > will be filtered > > out by the ECU leaving no...
• Re: Anti-Freeze opinions
  Historical mailing list - OlRivrRat
  Mon, 3 Apr 2017 12:23:04 -0600
  ...the Coolant is able to give Us & The ECU accurate info with which We & The ECU can develop an Educated Guess as to the...
• Re: 1.9 low power problem
  Historical mailing list - Mike Collum
  Wed, 26 Dec 2007 22:14:40 -0500
  ...When bad, the ECU does not go into open loop. It dumbly accepts the bad signal from the bad O2 sensor and acts accordingly...
• Re: ECU optimization -- one quick question
  Historical mailing list - Randal Jett
  Mon, 4 Aug 2008 14:57:58 -0700
  ...So what could be the deal with your ECU if it's z-tied in the engine compartmetn somewhere ?? re 'a bad ecu' ...........I...
• Re: WAS: Starter Motor... Failure: NOW: 50 Circuit Weirdness. ECU Related?
  Historical mailing list - neil n
  Sat, 15 Dec 2012 11:31:46 -0800
  ...The engine won't actually > start up of course since the other wire of the 2 is power for the ECU etc. > > Bentley diagram...
• Re: O2 readings
  Historical mailing list - Chad Morris
  Thu, 11 Sep 2003 14:10:37 -0600
  ...I am assuming I do this with the O2 sensor disconnected from the ECU, correct? I also remember reading something about adjusting the Air...
• Re: Runaway Engine RPMs
  Historical mailing list - Neil N
  Thu, 10 Oct 2013 11:01:15 -0700
  My guess is that if the throttle body switch malfunctioned at idle, the ECU would tell injectors to stay open longer, (too rich) which...
• Re: more information on engine swap/fuel pump woes
  Historical mailing list - Jack Botts
  Fri, 4 May 2012 18:14:04 -0500
  ...vanagon@GERRY.VANAGON.COM > > re > "so if the ecu is not grounding the fuel pump correctly" > > there's confusion all right, > the ECU does...
• Re: Question About ECU Programing
  Historical mailing list - Joel Walker
  Fri, 31 Oct 2003 08:31:39 -0600
  ...the ECU's on the vanagons don't learn how you drive ... they have a digital memory 'map' of how long to spray the...
• Re: 86-91 2.1L Vanagon Digifant ECU
  Historical mailing list - Ross Cupples
  Tue, 21 Dec 2004 15:56:54 -0500
  ...86-91 2.1L Vanagon Digifant ECU Hi all, Just wanted to give a heads up, I put a 2.1L Vanagon ECU up...
• Re: Is ECU involved in getting power to fuel pump when turning ignition switch on?
  Historical mailing list - Benny boy
  Mon, 23 Jul 2007 19:25:53 -0400
  ...At least one person has suggested the ECU (I've ruled out fuel pump relay and ignition switch). For those of you who are...
• Re: ECU and starting question
  Historical mailing list - Joseph Fortino
  Tue, 17 Jul 2007 19:53:53 -0700
  ...It's not ECU. >> >> But there are wires connecting the ECU and the ignition module. Still it's not >> >> likely to be an ECU...
• Re: Re- Continuing Engine Troub
  Historical mailing list - Gerald Skerbitz
  Mon, 13 May 1996 14:35:34 -0500 (CDT)
  ...In the future, I will recommend checking impedance between pin 5 and 6 on the ECU connector with the ECU disconnected and the Air...
• Re: Pigtail needed
  Historical mailing list - Dennis Haynes
  Sun, 13 Dec 2015 22:10:54 -0500
  From the factory there is a dedicated chassis ground at the ECU connector. There is a bundled ground in the fuel injection harness. Sometimes...
• Re: Emisson Control unit question
  Historical mailing list - Doug Alcock
  Wed, 11 Jun 2003 10:04:25 -0400
  Hi Dave, Turning on your ignition starts the fuel pump --- nothing to do with the ECU (which, incidentally is Electronic Control Unit --- not "Emission...
• How much should I pay for a used ECU for '89... (I'm located in Seattle)
  Historical mailing list - Mark Johnson
  Mon, 10 Nov 2003 07:13:20 -0800
  ...dies after running fine for 30 minutes by swapping out the ECU with one (used) that my mech had in his shop.... Now DaVan...
• Re: Dead 83.5 Westy (injector power)
  Historical mailing list - Erik Peterson
  Sun, 24 Jun 2007 13:03:53 +0200
  The injectors are relatively new (re-manufactured), they all ohm check good from the ECU (I did all the VO meter checks on page...
• Fwd: 84 Westy Fuel Pump Problem
  Historical mailing list - nirav patel
  Mon, 11 Jul 2011 23:49:29 -0500
  ...http://www.agencia72.com/fuel_relays.jpg Here is a picture of the connector that goes to my ECU. Am I right that the...
• Re: Welding on Van - ECU consequences?
  Historical mailing list - Dennis Haynes
  Fri, 4 Sep 2015 11:40:35 -0400
  ...Welding on Van - ECU consequences? > > I always disconnect battery and ecu. I worry about high frequency > stuff making mischief during welding the van. I...
• Re: Runaway Engine RPMs
  Historical mailing list - Don Hanson
  Thu, 10 Oct 2013 17:56:08 -0700
  ...On Thu, Oct 10, 2013 at 4:28 PM, Larry Alofs <lalofs@gmail.com> wrote: > John, > If you have access to an ECU to...
• Re: I was wrong -- how the AFM *really* responds...
  Historical mailing list - David Beierl
  Tue, 7 Dec 2010 22:31:36 -0500
  ...If the ECU only looks at the AFM that often it's not likely to see the peak value which seems to be only...
• Re: Emisson Control unit question
  Historical mailing list - Stan Wilder
  Wed, 11 Jun 2003 11:25:53 -0700
  ...If this switch isn't closed the ECU will not pump fuel. I'll send a picture if you want it. Stan Wilder On...
• Re: Latest On My Fuel Injector Saga
  Historical mailing list - Dennis Haynes
  Thu, 27 Dec 2007 17:52:18 -0500
  ...The ECU has a transistor that is switched and all four injectors are controlled by it. Are you getting spark? If so than all...
• 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...
• Engine Control Unit (ECU) Problems?
  Historical mailing list - Sam Moore
  Mon, 7 Jul 97 16:01:20 -0400
  ...The mechanic came out as I was trying to hold my temper and start the engine and popped the boot and jiggled the ECU...
• Re: ECU and Wiring Harness
  Historical mailing list - jon
  Fri, 16 Feb 2007 15:06:58 -0800
  The ECU on an '86 in under the rear passenger seat, on the left (driver's side). Three screws: two on top, one on...
• Re: Bosch ECU connectors
  Historical mailing list - Darrell Boehler
  Thu, 7 Oct 1999 11:24:50 -0500
  ...Bosch ECU connectors > Greetings: > > I would like to fabricate (vs. pay $193 from Baum Tools) a breakout > connector; that is to say, a combination...
• one more symptom....Re: ECU and starting question
  Historical mailing list - most david
  Tue, 17 Jul 2007 14:41:39 -0700
  ...A local mechanic is convinced that the ECU is causing the problem based on my characterization of the problem. I asked a second mechanic...
• Re: vanagon Digest - 24 May 2002 (#2002-645)
  Historical mailing list - Mark Keller
  Sat, 25 May 2002 09:01:31 -0700
  ...The Basic premise is that the ECU gets confused and needs to be reset, then the van runs fine until the "event" that confuses...
• Re: Is ECU involved in getting power to fuel pump when turning ignition switch on?
  Historical mailing list - Scott Daniel - Shazam
  Mon, 23 Jul 2007 21:57:31 -0700
  ...The #1 pin is connexted to ECU. I believe the ECU feeds the #1 terminal with the pulsation current, which makes the high voltage...
• Re: half-lilley becomes quarter lilley
  Historical mailing list - Derek Drew
  Wed, 15 Nov 2000 07:33:26 -0500
  If you installed the ratio rockers but have not yet installed the ECU there are strong reasons why you might want to park your...
• 84 dont smoke no more
  Historical mailing list - Earl Smith
  Tue, 29 Apr 1997 11:22:47 -0700 (PDT)
  ...Over >that voltage indicates a rich mixture and the ECU decreases the fuel flow. >Under >0.5 volts indicates a weak mixture and the...
• Re: WAS bad ECU * thanks everyone *
  Historical mailing list - Joseph Fortino
  Thu, 28 Aug 2003 20:05:21 +0000
  ...LOL but my bug is low, but its " sport low " anyway i guess were lucky seems those other " mini vans " mother boards ecu's...
• Re: VW relay #53, 141 951 253B
  Historical mailing list - Neil N
  Wed, 1 Jun 2016 11:20:58 -0700
  unless it's a misprint or I'm misunderstanding terms used here, the way I see it, when engine is running, the ECU "supplies...
• Re: Now Preventative Maintenance, Was Do U carry spare ECU?
  Historical mailing list - mark drillock
  Thu, 15 Apr 2010 07:47:45 -0700
  I doubt you meant to say to open up the ECU regularly to inspect for wear. No moving parts in there to see. It...
• Re: SVX
  Historical mailing list - John Reddick
  Fri, 19 Nov 2004 03:21:38 -0500
  ...ECU, wiring harness from ECU to engine to O2 sensors, sensors optional. 3. Relays for fuel pump and main power, mounted together near ECU...
• Re: I need advice/help - Elecrical
  Historical mailing list - mark drillock
  Sun, 6 Feb 2005 13:32:00 -0800
  ...Only have Start signal from ECU. no Pwr. > According to the Bentley, power should come from the ignition switch. > Swapped out ign. switch with...
• Re: ECU reset, O2 voltage stability
  Historical mailing list - Mike Frost
  Tue, 13 Feb 2007 19:21:17 -0800
  ...reconnect the O2 sensor with the ignition off to reset the ECU. I found a note in the VW Pro Training manual ( http://members...