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Ford feedback nerd (Read 264 times)
fisher
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Ford feedback nerd
Mar 4th, 2005 at 7:56am
 
          I failed to introduce myself and put the letter about the feedback carb here.I have been working on cars both for myself or friends and professionally,doing  maintenance on company vehiclesand I just quit working for a shop that dismantled and repaired; the owner did not have one wiring diagram, did not see what use oscilloscopes were and thought ASE certifications were unnecessary.Plus he was a maintenance alcoholic
  Later I will tell you how he manages to do this.I got a computer to use for the first time about two years ago and I began buying auto tools on e-abay.I bought two scopes there,lots of books, other electronic diagnosis tools...I am not certified,and the majority of my career has not been spent on auto repair.I am in to it now because I want to deal with what I see are so many unscrupulous actors employed now by repair shops.I wont have them working on my car and telling me lies about what was wrong.
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Donald Bruce Gamble  
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fisher
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Re: Ford feedback nerd
Reply #1 - Apr 7th, 2005 at 4:00pm
 
          My man whom owned no scope and said he did not know what they might be used for was also a licensed dismantler and he just traded parts from cars  he was scrapping onto those he was trying to repair.He has been in business for years and works solely on Jags and Land Rovers and knows those systems well.
   I have been working on vehicles since I quit working for him though, at the shop I was previously employed with.I am going back to sea with a fellow who wants me-as his engineer.This will enable me  to work on cars( when I am not voyaging) with much better opportunities than I could have after work or on weekends if I had to take a job besides autoshop.I have a small scope.I will take it onboard with me as I will be responsible for the operation and or maintenance of generators(alternators?), diesel engines, pumps,refigeration,hydraulics...the very same things we find on the cars, but on a bigger scale.I would like to get a business license to buy, repair and sell old vehicles and for this a good scope like the Pico will come in handy.I really like the zoom in feature that Tom Roberts shows us in his latest letter.
  Although I dont have the pleasure of working in an honest to God shop right now,my scope will be aboard looking at voltage,amperage...Let me know if this is acceptable to Autonerdz...I already own  probes that make me happy, but would USE the PICO and buy only a few things otherwise... software excluded...I want and am going to attempt to have that shop.Incidentally, with the Ford feedback,I remembered,just before it decided to run; 'pulling number one plug' and barring the engine over to make SURE I had the distributor where it needed to be.
   The plug was all black.The car seems to have been running rich like the scope showed before the Ignition module failed.(I had questions about wether the O2 sensor was fully warmed up)Possibly, because I tried to crank on it for a while and get it to run( the ignition module was busy ruining), the overly rich mixture wetted the soot and that would have kept it from firing until it dried out.I had thought it might have had a tremendous memory issue, as it had not been examined for a long, long time and very many things were done;this car has adaptive strategy and ran despite all these issues...O2 sensor, throttle position sensor,EGR valve, the old carburetor was yukky inside(our factory remanufactured carburetor was the right thing to change but I must confess we were only throwing money at it), after I had rebuilt the old one wanting to correct the rich problem(an old neglected Feedback carburetor is a fun take a part but the factory does things to carburetors like repair the bushings of the throttle valve where it goes though the base), and vaccum hoses were bad.
            The difference in how it runs now is quite noticeable.How do you feel about AES Wave samples posted here (I think the ETS 2800's would post)Thanks for your time.Would you software work with the ET MACS?
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« Last Edit: Apr 7th, 2005 at 7:00pm by fisher »  
Donald Bruce Gamble  
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fisher
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Re: Ford feedback nerd
Reply #2 - Apr 7th, 2005 at 6:36pm
 
      Oh yeah,
     The power on these vessels can commonly be 250 KW, and on the larger vessels more, of course and the power is AC.I took the MAC with me and was playing with it last summer.I like it, but it is not a computer with a way to alter a saved waveform like Picoscope software is.I appreciate greatly it is RMS saves waveforms and came with software for to transfer these to the PC.
Offshore, an intelligent man would hold his records for financial purposes relative in a database for equipment maintenance services.
  The wiring is shielded by plastic-all three strands of it; the two polarities and the ground.In ex-naval vessels I have found metal shielded wire ("combat" grade).The "shield" is for purposes of protection from any battering force.
The pico would be an excellent monitor for refrigeration.
              A SONY ToughBook or Panasonic are the proper PC (Laptop) you can buy them used and they cean be dropped; there internals are bedde in gel, which prevents damage to it and the best are government grade.
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Donald Bruce Gamble  
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fisher
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Concord, California, USA
Concord
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Re: Ford feedback nerd
Reply #3 - Feb 15th, 2006 at 8:14pm
 
So, my career at sea is not,I am living on our employer's boat, working on cars until work comes along for our boatyard.I may go out on the water again this summer and the tools will go with me.There is in my opinion a great demand for electronic controls in many places they dont have them now.
   Nobody, but nobody who works on these commercial, fish processing and freezing boats has EVER,EVER- heard of a labscope and they do NOT know the value of the Electronic engine controls on the internal combustion engine.Imagine supporting the manufacturer, who thinks his knowledge ought be proprietary,should your vessel be sinking offshore on account of a breakdown-then can we call John Deere and have him come out to our rig, in the ninety knot winds? Of course not.The fellows need to learn more than what all the old guys know about capacitive discharge systems,like if I buy your John Deere rig and put it on my vessel, I AM going to be the guy who keeps it running....anyhow, now I have a scope with what I can send waveforms, a MAC Quickscope that saw very little use other than mine.Now I need to know how the heck you send replys to these posts when they include captures.Does it have something to do with what you are calling 'copying and pasting'?
    I really enjoy these keen tools we have these days.God bless you, young and old ,happy or unhappy...
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Donald Bruce Gamble  
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