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T/C problem devleoping

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  #11  
Old 11-03-2018, 07:16 PM
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Regretfully new parts don't actually mean good parts, everything is made cheap these days. But I guess if parts last a life time there is no profit for the company's that make them - get some rest things always look somewhat better with fresh eyes lol
 

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Old 11-03-2018, 07:43 PM
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Good. A bipolar stepper motor. Just in time. I have my CNC Pick&Place machine nearly ready. I am going to use one axis controller to drive it!
 
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Old 11-03-2018, 08:06 PM
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Originally Posted by odat
Regretfully new parts don't actually mean good parts, everything is made cheap these days. But I guess if parts last a life time there is no profit for the company's that make them - get some rest things always look somewhat better with fresh eyes lol
Yup, in some sense I agree. If You look at the billboards nowadays it's all about the price, not the quality. But, as an engineer, I prefer to earn "kudos" while being satisfied with reliability of my products. Yeah, I know, it doesn't sound too smart:
Search Results for customer support | Dilbert by Scott Adams (happy reading)
 
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Old 11-04-2018, 04:37 AM
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Originally Posted by odat
[...]get some rest things always look somewhat better with fresh eyes lol
Well said. I just wake up and here's my clue - it can't be the actuator. It must be a sensor that over regulates the ECU loop. As far, as the loop is open, there is everything perfect.
Now, the summary:
  • MAF - replaced with an old, still working one - no change
  • O2 - while open loop they give a nice traces, it's not the O2
  • MAP - ?
  • TPS - I would exclude this one, as on open loop all seems running fine
Are there all sensors Iisted...? it possible, that MAP sensor would over regulate the ECU so much, to bring me the +50% fuel trims?

 
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Old 11-04-2018, 05:57 AM
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LOL. After a morning coffee I found the idea to follow - engine readings. As far as I remember, Les was mentioning them recently in some post. Thanks Les! Now, I have to dig out the post...
 
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Old 11-04-2018, 07:57 AM
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Guess what. A "professional silicone tuning hose" got broken. I found, that even a small, nearly visible puncture + vibration will tear them apart. Never ever again. I am going to visit an agricultural store in Monday morning to get a proper, sturdy hose.
 
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Old 11-04-2018, 12:58 PM
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glad you found it - hope that's all it was
 
  #18  
Old 11-05-2018, 07:32 AM
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Unbelievable. And "FMIC silicone hoses" sell it as a top quality product. Look at the other end, the hose already started tearing apart. I've wasted $10 for 3 fts of it, while today I've got a reinforced fuel hose for $0.50 that will last for years. These "pro" hoses didn't even last half of a year.
Yup, so finally that was the only problem I had. Beast is back on the road again
 
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