Question about 1999 Mazda 626

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Fault code P0133 can't pass inspection.

Fault code P0133 O2 Sensor circuit slow response (Bank 1 Sensor 1) 1999 Mazda 626 24 valve V6 How do I look up the part # and how can I replace it. I know how to use my tools, just not where the o2 sensor is and how to change it. Thanks.

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This code does not always mean the O2 sensor is low, but if u want to replace it here is the info to do that and the part number.

The sensor you want is the one in the exhaust pipe of the engine cylinder bank that has #1 cylinder in it, as you face the engine with the hood open the cylinder bank u want is the rear bank, u will need to jack the car up and get under it to remove the sensor, u may also need a special socket to remove it, the sensor is the one that is before the catalytic converter. part number is:DENSO Part # 2344068
REAR; Before Catalyst

Posted on May 20, 2009

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My 2004 Honda CRV showing code P0133 and P0171


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Throwing 1 code po133, pending code po171


Nice info but what's your question ? You have a Oxygen Sensor Circuit Slow Response (Bank1, Sensor1) code P0133 , an you have P0171 System Too Lean (Bank 1) ! You have a bad O2 sensor , vacuum leak , Test O2 Sensor mov

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Im getting code P2253 on my 04 Saturn vue with 3.5l V6. Anyway to tell which O2 sensor it is? Thxs Bill


P0804 is the highest OBD-II trouble code.

Here's your Oxygen sensor codes.

P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

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P0700 p0133 p0137 p0131 p0171 p1781


From what I can find in my book - they are (generic code)
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Code: P0133 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1


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.

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Service Engine soon light Code P0133


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Problem code P0133 ("O2 Circuit slow response")


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2000SATURN SL2 CODE CLASS 2 SHORT TO BATERY


To BIGHWEELS197, take your car to AutoZone and have them scan the computer - they'll do it for free, whereas the dealer will charge an hour's labor. Post the codes here and we can determine the problem.

To wjcomet, here are your code definitions:

P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) - this means that the primary O2 sensor on the bank of cylinders with cylinder number 1 in it is not heating up quickly enough. The heating element is eventually getting it to temperature (it has to be heated up to work) but it's getting to be too long to heat up, which can fail you for cold-start emissions. You'll have to replace this sensor eventually.

P0341 Camshaft Position Sensor “A” Circuit Range/Performance (Bank 1 or Single Sensor)

This indicates a problem with your cam angle sensor. It could be that the sensor's pickup is not working right anymore (this does happen) but it could also be because your O2 sensor isn't getting to temperature soon enough and excess emissions are being detected, the car's computer may think that the cam position is off. If the cam isn't timed right, excess emissions can happen, so the computer may believe that's what is happening. I wouldn't be surprised however if the O2 sensor that's going bad is causing this code as well.

P0404 Exhaust Gas Recirculation Control Circuit Range/Performance

Indicates a failure of the EGR valve. Again, there's a chance that the failing O2 sensor can trigger this.

P1404 is a manufacturer-specific auxiliary emissions control failure code. I don't have access to that code's definition for your car, but again it's likely to be a result of the O2 sensor fault that you're having, since it's emissions-related and the O2 sensors are the main controllers of emissions on a car.

My advice would be to change that O2 sensor, have the codes reset, and see which ones, if any, return. If none come back, you likely had only the O2 problem and that fault caused the other codes as well. If one or more of the codes returns, we'll have to troubleshoot those individually.

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