Limp mode car won't go past 1500 rpm
I have a 1993 W124 300E 2.8 that goes limp home mode after driving for
awhile with the coolant at 90*F and outside temp is 104*f. I have replaced all
possible parts from ovp sp plugs 3 ign coils spk plugs cable throttle acuator
biodegradable harness thermostat cooling fan resistors alternator carbon
brush ! egr valve cold airmass sensor the car has new head gasket new fuel
pump/filter fuel pump regulator. What else is possible cause of this
mysterious limp home mode? do i need a new ECU and catalytic converter
car has 143,000.mi .Help is greatly appreciated.