1996 Cadillac DeVille P0171 and P0174

1996 Cadillac DeVille P0171 and P0174

Cadillac DeVille On the 1996 Cadillac DeVille, when P0171 and P0174 are set with oxygen sensor codes, more times than not, this is not an oxygen sensor problem. This means the air-fuel mixture is running “lean” and this is what sets the oxygen sensor code. It’s not very common for both upstream oxygen sensors to fail at the same time. So, before condemning the oxygen sensors – First- check the Fuel Filter. Remove the filter and try to blow through it. Any resistance and the Fuel Filter will need to…

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2009 Chevy 3500 6.6L P0101 MAF Sensor

2009 Chevy 3500 6.6L P0101 MAF Sensor

Chevy 3500 On the 2009 Chevy 3500 6.6L, the P0101 is a very straight forward code pointing to a problem with the Mass Air Flow Sensor. Inspect the air filter housing and make sure it is tight and sealed correctly. Check the air filter element and make sure it is not excessively dirty and limiting air flow. Visually inspect the air filter housing duct for for any cracks or holes. Inspect the electrical connector and wire harness for any loose, broken or damaged wires. If the visual inspection checks ok, most commonly,…

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1995 Lexus SC300 MAF/IAT Sensor

1995 Lexus SC300 MAF/IAT Sensor

Lexus SC300 On the 1995 Lexus SC300, the Code 24 points to a problem with the Intake Air Temp (IAT) Sensor. The Code 31 points to a fault with the Mass Air Flow (MAF) Sensor. On this vehicle, the intake Air Temp Sensor is built into and part of the MAF Sensor. So, carefully inspect the electrical connector to the MAF/IAT Sensor for any loose, broken or damaged wires. Inspect the air filter and make sure it is not excessively dirty and restricting air flow. Make sure the air filter…

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2006 Buick Allure IAT Sensor

2006 Buick Allure IAT Sensor

Buick Allure On the 2006 Buick Allure, the Intake Air Temp (IAT) Sensor is built into the Mass Air Flow (MAF) Sensor. At the MAF Sensor, the IAT wire colors are: TAN = IAT Signal ( + ) BLACK = Signal Return ( – ) Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified Auto Mechanic and get your answers on this problem now!

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2013 Camaro SS MAF/IAT Sensor

2013 Camaro SS MAF/IAT Sensor

Camaro SS On the  2013 Chevy Camaro SS, when installing a performance chip, it’s common practice for them to be installed into the IAT (Intake Air Temp) Sensor. On many vehicles, the IAT is built into the MAF (Mass Air Flow) Sensor. Which is the case on this vehicle. At the MAF/IAT Sensor, the IAT colors are: Light Blue = IAT Signal ( + ) Tan = IAT Signal Return ( – ) Does your vehicle have a similar problem? Get connected to a Live Q&A session with a certified…

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