I have an engine light. Code P0133. Oxygen Sensor Circuit Slow Response Bank 1 Sensor 1. Which sensor is it that I have to change? Is it the one I can see and unscrew by the top of the engine or is it the one on the bottom of the engine? I have just replaced the bottom one, but the light still shows up.
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remove brackett from under intake manifold to block you will see a gray or green plug look real close and you will see a bare wire or a wire that has been pinched real bad this wire controls heater circuit for the o2 sensors also check fuse # 15.there is a tsb from honda on this problem
check your O2 sensor and wires other thinks that can cause that problem is when the engine is running in close loop. u should check if the other codes have to do anything with the coolant system. u should fix the other codes first and see if the p0157 go away.
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Hi Michael, After fixing errors you need to reset your computer by disconnecting the battery for a minute or two, Also you'll need your radio code to reset your radio, I hope this helped...........CHEERS..
Oxygen Sensor Circuit Slow Response (Bank 1, Sensor 1) ... If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely windup replacing it but you should also consider these possible solutions: ...
SAE J2012 Revised DEC2007 lists Diagnostic Test Code (DTC)P0133 as "O2 Sensor Circuit Slow Response Bank 1 Sensor 1"
This code basically means that the upstream oxygen sensor on bank one of your engine is not responding as quickly as it should to changes in oxygen leavels in the exhaust.
The usual causes of this is an oxygen sensor that is just plain worn out (if it has a lot of miles on it) or an oxygen sensor that is contaminated by engine oil or antifreeze leaks causing these fluids to be burned in the exhaust (like bad piston rings, defective PCV valve, blown head gasket, etc.).
In any case, the oxygen sensor needs to be replaced. However it should be noted that if it is caused by contamination like that described above, replacing it will only result in a new oxygen sensor doing the same thing if the cause of the contamination is not repaired.
I really hate to state the obvious, but if the code "keeps" coming up it is because the code keeps not getting properly diagnosed and repaired.
The generic description for code P0133 is "Oxygen Sensor Slow Response Bank 1 Sensor 1"
This could be due to an oxygen sensor that is just plain worn out and chemically inactive. However, The most likely cause is contamination of the oxygen sensor. (especially if the sensor has been replaced and the code still returns) Contamination from oil or antifreeze is the most common cause of this code. Oil gets into the exhaust due to bad valve seals or piston rings. Antifreeze gets into the exhaust due to blown head gaskets or cracked heads. It can also be contamination from misuse of RTV sealants or aftermarket fuel additives. In any case, replacement of the sensor alone will most likely only result in a repeat repair. The source of contamination must be identified and corrected for the repair to be successful.
P0340 OBD-II Trouble Code - Camshaft Position Sensor Circuit Malfunction
This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM. Don't just replace the CPS (camshaft position sensor) and think that will definitely fix it.
Symptoms can include: * Hard starting or no start * Rough running / misfiring * Loss of engine power
Causes: A code P0340 could mean one or more of the following has happened: * a wire or connector in the circuit could be grounded/shorted/broken * the camshaft position sensor may have failed * the PCM may have failed * there exists an open circuit * the crankshaft position sensor may have failed
Possible Solutions: With a P0340 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try: * Visually inspect all the wiring and connectors in the circuit * Check for continuity in the circuit wiring * Check the operation (voltage) of the camshaft position sensor * Replace the camshaft position sensor as required * Check the crankshaft position circuit as well * Replace circuit wiring and/or connectors as required * Diagnose/replace the PCM as required
This involves the front oxygen sensor on Bank 1. This code indicates the engine air fuel ratio is not being adjusted by the oxygen sensor signal or the ECM as expected to do so, or not adjusted as often as expected to do so once the engine is warmed or under normal engine use.
Symptoms: You will likely not notice any drivability problems, although there may be symptoms.
Causes: A code P0133 may mean that one or more of the following has happened: * The oxygen sensor is faulty * The wiring to the sensor is broken / frayed * There is an exhaust leak
Possible Solutions: The simplest thing to do is to reset the code and see if it comes back. If the code comes back, the problem is more than likely the front Bank 1 oxygen sensor. You will likely wind up replacing it but you should also consider these possible solutions: * Check and fix any exhaust leaks * Check for wiring problems (shorted, frayed wires) * Check the frequency and amplitude of the oxygen sensor (advanced) * Check for a deteriorating / contaminated oxygen sensor, replace if necessary * Check for inlet air leaks * Check the MAF sensor for proper operation
Oxygen Sensor Circuit Slow Response (Bank1, Sensor1)
What does that mean?
This involves the front oxygen sensor on Bank
1. This code indicates the engine air fuel ratio is not being adjusted by
the oxygen sensor signal or the ECM as expected to do so, or not adjusted as
often as expected to do so once the engine is warmed or under normal engine
You will likely not notice any drivability problems, although there may be
A code P0133 may mean that one or more of the following has happened:
The oxygen sensor is faulty
The wiring to the sensor is broken / frayed
There is an exhaust leak
The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is more than likely the front Bank
1 oxygen sensor. You will likely wind up replacing it but you should also
consider these possible solutions:
Check and fix any exhaust leaks
Check for wiring problems (shorted, frayed wires)
Check the frequency and amplitude of the oxygen sensor (advanced)
Check for a deteriorating / contaminated oxygen sensor, replace if necessary
is this a 4 or 6 cylinder? if a 4 cylinder it will only have 2 o2 sensors V6 will have 4 o2 senors which the sensor will be the right side of the engine first sensor. 1st sensor on exhaust, I recommend if you change one change all, as this will make the computer when it rechecks the system you have all clean/fast responding sensors.
if you have a slow response it means the sensor is dirty and not reading well, which is usually caused by minor misfires that the engine computer dismisses, so a tune up would be recommended too.
I just came from an Autozone, and then spoke with 2 Hyundai dealership service departments and they all three stated the P0113 code is the Intake Air Temperature sensor (IAT, also referred to as the Mass Air Pressure - MAP - sensor) on the engine, not an O2 sensor found in the exhaust system.