Can a bad gas cap throw a P0420 code?
P0420 is a catalyst efficiency code, it has nothing to do with your gas cap. At 175K it’s very likely that the catalytic converter is shot. Take it do someone who can diagnose it. Or start throwing money into a fire and see if that fixes it.
What code will a bad gas cap throw?
P0457
A leak at any part of the EVAP system, including the gas cap, can set a diagnostic trouble code. Code P0457 indicates the PCM has detected an EVAP leak, most likely caused by the gas cap.
What causes the P0420 code on a Toyota Camry?
The P0420 code in a Toyota Camry 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 trouble code on a Toyota Camry?
One of the most common trouble codes with all Toyota vehicles is the P0420. This code number references a number that is given to you when you plug your Toyota Camry into a OBDII scanner. It doesn’t matter which model you have, this OBDII code has the same meaning for all of them. P0420 is a OBDII trouble code. The code technically stands for:
Why does my Toyota Camry 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 Toyota Camry will often be thrown one of your oxygen sensors are not functioning properly.
What does the OBDII code P0420 stand for?
P0420 is a OBDII trouble code. The code technically stands for: Catalyst System Efficiency Below Threshold. Your Camry 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.
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