Guest calum89 Posted June 19, 2010 Share Posted June 19, 2010 my 1990 EFI had been running really bad to the point that it was almost impossible to drive when hot, after trying a new icv there was no change so i disconnected the battery and cleaned all the sensors related to the problem and then reconnected the battery. This made the car run alot better and it is driveable when hot now, but it has started to rev itself again but only sometimes and not as bad as previous. Could this mean that it is the ECU? and is it easy to change the ECU if it is? Quote Link to comment Share on other sites More sharing options...
Guest jagman Posted September 30, 2010 Share Posted September 30, 2010 mines been doing the same thing have you tried cleaning down the inlet manifold and throttle body? the ECU is very easy to change just slides out from behind the center console not sure how easy it is to het hold of another Quote Link to comment Share on other sites More sharing options...
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