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Old 04-03-2010, 08:50 PM
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slk230red slk230red is offline
WECO Installer
 
Join Date: Jul 2006
Location: Tampa, FL
Posts: 820
Quote:
Originally Posted by benzborg View Post
I'm going to get some accurate figures first thing in the morning and I'll be back with those duty cycle numbers.

No test to the 02 sensor not yet - next on my list. I failed my emissions test though about 6 months ago and they told me the catalytic converter is toast essentially. Would an 02 sensor replacement be any advantage with that in mind? Pins 2/3 will tell me tomorrow regardless.

The "Micro-Switch" is news to me. Point me in the right direction please? I'll do some searching in the meantime.
The Micro-Switch is located at the throttle. It's a simple 2 wire circuit, the switch should be closed at idle. You can hear it click when you push the little wheel in with your finger. If unsure, check the continuity with a VOM.
If it's not closing at idle, then the linkage needs adjusting...(the plastic adjustment screw the cable goes into).
Attached Thumbnails
88 300E low idle problems after fuel pump fix-micro-switch.jpg  
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Last edited by slk230red; 04-03-2010 at 08:56 PM.
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