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Idle Problems
My 3.2 is surging at idle. Goes from 900 - 1100RPM every second. Very annoying. Bentley says a high idle (1200) is a defective switch but doesn't mention the surge issue.
Any suggestions? (Be nice...);) |
I had the same exact problem on my 84 3.2L. I had to upgrade the cylinder head tempature sensor from the old single wire to the newer 2 wire sensor. It took care of the surging.
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buddy of mine did all sorts of stuff. ZOANAS. maybe do a search under his name. i seem to remember his issue was fixed with a mixture adjustment.
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Mike,
Where did you get the Sensor? How much? Thanks. Vash, Thanks for the input. Will search out ZOANAS. Jorian. |
Also, check your ICV (do a search). It can be cleaned (Cost is a little carb cleaner and some time).
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When was the last time the O2 sensor was replaced? Also good advice from Joe on cleaning the ICV.
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Before adjusting the mixture, you might want to set the idle adjustment screw. Steve Wong provides a pretty good explaination here (about halfway down):
http://www.911chips.com/dmeconvr.htm Tim |
Jorian,
Here is a link to a post I made yesterday that has the part number for the sensor. http://forums.pelicanparts.com/porsche-911-technical-forum/183187-cylinder-head-temp-sensor-replacement-lessons-learned.html?referrerid=24485 |
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