Questions & Answers for: o2 43

...43 has different meanings.It has to do with the knock sensor, electronic spark timing failure, left O2 sensor failure, and equate code 42a. Ithink that has to do with ignition switch failure. Good ...

43 so i am replaceing o2 senor to night any ideas ??? car has 145000 miles on it It may be the O2 sensor. I know it's not the fuel filter, spark plugs, spark plug wires, Vehicle Speed Sensor, Dis. cap

...43. I've read other posts where people were experiencing rpm and acceleration issues but I have not experienced any thus far. After the light comes on I do not notice any change in how the vehicle ...

...the O2 sensor and see what happens. Make sure to erase the code when you replace the O2 sensor. Hope helps with this (rated this help) Good luck. CODE 43 - PROBLEM IN O2 SENSOR CIRCUIT OR FUEL

...43-52-55 can you tell me what they are?.....thanks 0052 is an O2 sensor, 0012 is camshaft position, 0043 is heater control unit, and 0055 is heater resistance. And I will give you a web site you can ...

...what is it.what is the fix. code 43 is for a bad oxygen sensor. sensor located on a-pipe. K42282's answer is wrong. 41 is for O2 sensor, 43 is for fuel supply system. You might have low fuel

...43. If replacing the o2 sensor did not help code 43 to disappear, next thing is to replace your fuel filter. A clogged fuel filter will also trip code 43. Next up, did you install an aftermarket Fuel ...

O2 Sensor is what this is telling you) 43- HO2S Heater Control Circuit Low (Bank 1 Sensor 3) 55- HO2S Heater Resistance (Bank 1, Sensor 3) All of those assume they are supposed to be preceded by a P00

88 olds cutlass 2.8 liter code 43 engine runs poorly Code 43 means rich I think, so could be Coolant temp sensor, O2 sensor, leaky injector(s), tune-up items, other.

...43. Had o2 sensor, crank sensors, knock sensor and knock sensor connector replaced. Replaced ecm. Still getting 43 code. Check for corrosion and ground issues. DO NOT keep replacing items. Codes only ...