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#1
08-30-2003, 07:21 PM
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300E misses with A/C on...Why???
My 300E is finally running good after all the $$ i spent. Well I rarely use my A/C, but when I turned it on today my car started to miss. It misses about every 5 seconds. Well the idle rests at 500 rpm but when it starts to miss the idle fluctuates and peaks at 750 rpm, and it does not miss that much when in D(Drive), only when in P(park). This only happens with the A/C on, the miss causes a slight hesitation when comming from a stoplight.
I have replaced all vacuum lines What could be the culprit???
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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 http://memimage.cardomain.net/member.../352975_67.jpg http://memimage.cardomain.net/member.../748335_24.jpg 
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#2
09-01-2003, 12:44 AM
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anyone have a clue??
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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 http://memimage.cardomain.net/member.../352975_67.jpg http://memimage.cardomain.net/member.../748335_24.jpg
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#3
09-01-2003, 04:45 PM
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Check the OVP because it powers the A/C control unit.
Maybe when the A/C controlunit is "working" it makes a voltage drop at the KE jetronic control box which regulates the EHA and some more. OVP is an old way of controlling for overvoltage. I´m thinking of designing a new one. Pelle 300E 4M -89 5sp
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