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  #323  
Old 17-01-2019
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It's the other way around in a diesel. Excess fuel or lack of air leads to increased EGT.



The main issue I have with the Tillix valve is that there is no reference on engine load. Vane control is done based on calculated engine load, current boost level and engine speed. That's why you see it jump up and down quickly, the ECU reacts to changes in all those parameters.
After a bit of testing I have decided to keep Tillix valve in place to stop over boost but do away with needle valve. Computer doesn't like sustained boost at certain revs and occasionally throws a p0243 code.
Have put actuator back in but still having trouble with drivability so will have to buy new one and cross fingers.

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  #324  
Old 20-01-2019
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By "actuator" do you mean the solenoid valve, or the vacuum piston that moves the vanes?
  #325  
Old 21-01-2019
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By "actuator" do you mean the solenoid valve, or the vacuum piston that moves the vanes?
Solenoid. Have a new one on the way.

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  #326  
Old 21-01-2019
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Computer doesn't like sustained boost at certain revs and occasionally throws a p0243 code.
Of course it doesn't like it, the ECU has a target boost map based on RPM, load, temperatures and most likely other parameters.
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  #327  
Old 21-01-2019
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Ben-n-Jo, I really appreciate the effort but I honestly think that you are asking for trouble.
  #328  
Old 22-01-2019
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Ben-n-Jo, I really appreciate the effort but I honestly think that you are asking for trouble.
Tillix valve isn't the problem. Bypassing the solenoid is. Which I've changed back now. Hopefully new solenoid will sort it out.

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  #329  
Old 22-01-2019
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I'm confused. How do the Tillix valve and solenoid valve work together? How is this plumbed up?
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