190E lost of power at low rev

[Denrac]

My car is 1984 190E 2.3 (8V-canadian specifications)with 130 000 miles on it. Some times ago, the car begun to show poor low rpm torque while town driving as soon as the engine reached normal operating temperature. Whem the engine is cold (as I live in the north, cold means 30 F), there is a satisfactory amount of low end torque. When the engine is warm, almost nothing happens below 2500 rpm and then there is a very sharp increase in power.
Recently two of the engine temperature sensors went off (one for the cold starting and the other for the fan clutch), could it be that the temp sensor for the ke-jetronic is starting to fail? (anyone have the specifications?). Any help would be greatly appreciated.

[Benzmac]

We have the service CD for this car if needed. You should have the fuel mixture checked while at operating temp. This will give an indication of what is up.

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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

[Pilotx1]

is the cd you have the genuine MB disc or one of the common rips like are sold on ebay all the time, i bought one of those and found it completely useless. also are the CD's for sale and if so how much?