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Old 10-11-2003, 10:37 PM
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mike690003 mike690003 is offline
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Join Date: Apr 2003
Location: Miami,FL
Posts: 807
Does the coolant sensor affect idle and hesitation???

Hello Board.

There are 3 temp sensors on my m103 engine.

1 controls the aux fan

1 shows the coolant temp

the other sensor I am unsure of (I think EZL, CIS-E).

The problem is that my car will randomly hesitate. I can drive for 30 minutes and then my car will randomly hesitate when I pull from a light. This lasts for a brief second, but it is very noticeable. It is very bad with my A/C on, I had to unplug my 02 sensor to tone down the ferocious hesitation. I read somewhere that that third sensor(I think EZL, CIS-E) can cause these symptoms. Is this true???
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
HID/Xenon (D2S)
Keyless Entry
Monochromatic Paint (Custom Blue)
Smoked Tails
Flat Badged (front)
Debadged (rear)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS

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