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Old 07-08-2002, 01:04 PM
BAd124's Avatar
German Car Enthusiast
Join Date: Aug 2001
Location: Colonie NY
Posts: 258
Anyone know what this switch does ?

I was doing a mid summer engine deatil and noticed a switch on the 300E right where the throttle cable linkages are. It does not seem to take much to open it so I figured that possibly it might bring the engine out of idle mode of some sorts. Just wondering if anyone could clear up what this part does.
88 300E
03 911 C4S
2008 Triumph Speed Triple

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Old 07-08-2002, 02:21 PM
Registered User
Join Date: Apr 2002
Location: Surrey, Uk
Posts: 254
A photo would be useful. Might be the overrun cut off switch (tells the fuel system to shut off the fuel when the throttle is released if engine revs over about 1200 rpm.
Mick J
'08 Chrysler 300CRD (MB OM 642 engine)
'95 E220 estate
'89 230TE (R.I.P.)
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Old 07-08-2002, 09:33 PM
Gilly's Avatar
Registered User
Join Date: Mar 2001
Location: Evansville WI
Posts: 9,616
Sounds like the closed throttle position switch (CTP) to me.
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