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malcolm2 |
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#21
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 2,747 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States ![]() ![]() |
I want to cover all my bases here. I have purchased the new GB CHT sensor from 914Rubber to try.
So, I think I will buy a spacer from Brad Mayeur to have the option. From what he says it should: "Porsche 914/4 Cylinder Head Temperature Sensor Extension. This little device slows down the heating of the sensor and improves warm up drivability." I do have "warm up drivability" problems = Low idle RPM until the VDO CHT hits about 250*F. So it seems like my problems don't need the warm up to slow down, it needs to SPEED UP. (IMG:style_emoticons/default/WTF.gif) 914LTD.com ![]() ![]() Also found on RATWELL (scroll down to WORKAROUNDS)http://www.ratwell.com/technical/TempSensorII.html#parts |
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TX914 |
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#22
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Alan-B ![]() ![]() Group: Members Posts: 176 Joined: 27-July 14 From: USA Member No.: 17,689 Region Association: None ![]() ![]() |
I wish some clever guru would create a way to modify the CHT signal (from within the car) to compensate for the too rich restart condition. Maybe a variable resistor?
My 2.0 D-Jet runs like a champ on a cool, low humidity day, but idle is too low when restarting on a hot, humid day. I have not tried pbanders’ method for restarting… but that sounds like a good suggestion. |
BeatNavy |
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#23
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Certified Professional Scapegoat ![]() ![]() ![]() ![]() Group: Members Posts: 2,926 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region ![]() ![]() |
I wish some clever guru would create a way to modify the CHT signal (from within the car) to compensate for the too rich restart condition. Maybe a variable resistor? My 2.0 D-Jet runs like a champ on a cool, low humidity day, but idle is too low when restarting on a hot, humid day. I have not tried pbanders’ method for restarting… but that sounds like a good suggestion. Some people have used or do use a variable resistor. Can't tell you off the top of my head who, but someone will know. I'd like to see how they set that up and maybe it will end up on my "to do" list (which never seems to get any shorter..... (IMG:style_emoticons/default/dry.gif) ) From this and other research it seems that I may just have to continue to drive heel-toe out of the neighborhood until 250*F CHT. If thst is the worst thing I have to deal with, I guess I will deal. Not sure the wife and kids will understand how to make it work, but I can deal with the too. Malcolm - I'm given to believe you shouldn't have to do this. If you think you've checked all the other D-Jet suspects / tuning, give the spacer a try and decide what works best: better warm-up performance or slightly more difficult warm-start idling. If you do get the spacer and the warm-up is still painful, you know you've got other things going on... |
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