Evaporative Emission Control System Malfunction
Code 43 = Electeroic Spark Timing (EST) circuit low voltage detected OR ESC circuit problems. Without being there to put a meter on different components and check it out, all I can do is point you to the electronic spark control module.
knock sensor
no , one is 5on 5 the other 5 on 43/4
ESC / Electronic Spark Controll Circuit. and the knock sensor signal.
The LCM is: 220
Electronic spark control is not receiving sinal from knock sensor Try replacing knock sensor
Electronic Spark Control Code 43 Speed density 1990-92 Hope this helps, jr Yo go to chevythunder.com dude, you'll find more than you'll ever need
There are 1760 yards in one mile. Therefore, 43 yards is equal to 43/1760 = 0.0244318 recurring (that is, 0.02443181818..) miles.
code 43 is related to the spark control system. (esc) the problem is usually the knock sensor wiring connector is defective and/or the sensor. the sensor is located in the right /passenger side of the engine block near the starter.
Code 43 is a problem in the fuel delivery system.
Code 43 is listed as Electronic Spark Control Circuit
Country code +43 is Austria. A number beginning +43 6 may be either a landline (e.g., +43 662 = Salzburg) or a mobile (e.g., +43 660).