What does the OBDII code mean on a Chevy Silverado?

P0420 is a OBDII trouble code. The code technically stands for: Your Silverado has at least two oxygen sensors, one before and after the catalytic converter. Among the many jobs that oxygen sensors have is they have to measure the emissions levels coming in and out of the converter.

What causes the P0420 code on a Chevy Silverado?

The P0420 code in a Chevy Silverado will often be thrown one of your oxygen sensors are not functioning properly. Typically, the code will be triggered by the upstream oxygen sensor (before the converter). There aren’t usually any drivability issues associated with P0420.

What is the oxygen sensor code for a Chevy?

P1137HO2S Bank 1 Sensor 2 Lean Or Low Voltage – Read Our Article On Oxygen Sensor CodesFor Help With This Chevy Trouble Code P1138HO2S Bank 1 Sensor 2 Rich Or High Voltage – Read Our Article On Oxygen Sensor CodesFor Help With This Chevy Check Engine Light Code

How much does it cost to diagnose a Chevrolet code?

The cost to diagnose the P0101 CHEVROLET code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour. How much do you know about cars? When is the code detected?

What does the OBDII code on a Chevy Silverado mean?

This trouble code references a number that is given to you when you plug your Silverado into a OBDII scanner. P0446 Indicates that there is a fault in the evaporative emission control system. It often appears with other codes, such as P0420, P0441, or P0440.

What are the symptoms of Chevy Silverado p0446 OBDII code?

Most of the time, the only symptom of P0446 is going to be the check engine light. P0446 code will typically not be accompanied by any noticeable symptoms. The service engine soon light will come on, but that is usually about it. You might (not very likely) notice a slight decrease in fuel economy.

How much does it cost to diagnose p0430 Chevrolet code?

The cost of diagnosing the P0430 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. When is the P0430 CHEVROLET code detected?

This code number references a number that is given to you when you plug your Chevy Silverado into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them (1996 models and newer). Your Silverado has at least two oxygen sensors, one before and after the catalytic converter.

What causes a service engine light on a Chevy Silverado?

Service Engine Light – Often, this is the only symptom of the Chevy Silverado P0430 code. There are many things that can cause the P0430 trouble code in your Silverado. Here are the most common ones. Oxygen Sensor – The P0430 codes is thrown when the oxygen sensors on both sides of the exhaust have very similar readings.

Why does my Chevy Silverado not pass emissions?

The software in your vehicle believes that the catalytic converter is no longer doing its job. If your vehicle has the P0420 code, it won’t pass emissions so please be aware of that. The P0420 code in a Chevy Silverado will often be thrown one of your oxygen sensors are not functioning properly.

What are the OBD codes for General Motors?

Close General Motors OBD-II Trouble Codes The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn. There may be slight changes depending on the year/model of vehicle, you would need to consult a factory service manual for specifics.

Service Engine Light – Often, this is the only symptom of the Chevy Silverado P0420 code. There are many things that can cause the P0420 trouble code in your Silverado. Here are the most common ones. Oxygen Sensor – The P0420 codes is thrown when the oxygen sensors on both sides of the exhaust have very similar readings.

What are the symptoms of a Chevy Silverado p0430 code?

Chevy Silverado P0430 Code Symptoms 1 Mileage- May or may not suffer depending on how much or if the catalytic converter is clogged. 2 Loss of Power – It is a really strange feeling to drive a vehicle with a catalytic converter that is going out. 3 Service Engine Light – Often, this is the only symptom of the Chevy Silverado P0430 code.

What does the OBDII code mean on a Chevy Silverado?