Hello Board,

My 300E was going through its little bugs for a while. So I recently had my fuel mixture adjusted, my 02 sensor replaced(with the Ford Mustang sensor). Well after that, my car now hesitates badly. I feel the hesitation when coming off a stoplight, all the way to freeway speeds. My idle is more steady, but it hesitates badly when I am on the gas. What now could be wrong with my car??? I have replaced :
injector seals
02 sensor
fuel filter
used 2 bottles of techron ia 1/4 tank of gas
new gas cap
new plugs and wires
new cap and rotor

Should I disconnect the battery so the ECU restes??

What else could be causing my car to hesitate???

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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
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