190e throttle issue
01-09-2008, 02:29 PM
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1986 300E 3.0 5-Speed
190e throttle issue
Ok new issue arose. after replacing plugs, wires, and injectors the car still has this issue. No matter at what RPM when the throttle is barely open and then opened more the car stumbles for a moment and then goes. This happens whether in motion or park. Any ideas where else to look to track this issue down would be greatly appreciated. Its a 1985 190E 2.3L.
01-09-2008, 03:18 PM
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'85 190E 2.3-16 '99 C280 '11 GLK350
First, remove the air cleaner housing and inspect for any obvious cable or vaccum line disconnects.
While the air cleaner is off, have a close look at the microswitch connection at the throttle attachment. It's the thin square black part with the spring loaded roller. Make sure that it's set upon the throttle correctly and not binding. You should also check that the vaccum adjuster (bowden cable) that runs from the throttle housing to the trans is adjusted properly.
While the air cleaner is off, have a close look at the microswitch connection at the throttle attachment. It's the thin square black part with the spring loaded roller. Make sure that it's set upon the throttle correctly and not binding. You should also check that the vaccum adjuster (bowden cable) that runs from the throttle housing to the trans is adjusted properly.
01-09-2008, 04:12 PM
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1986 300E 3.0 5-Speed
Ok, The microswitch (red) is working as it should and the throttle contacts it as it should. The vacuum line from the trans is circled in green, correct? Where is this cable to adjust it? I only have a Chilton's manual for up to 84 mercedes 190E and there is no information on this.
