How do you reset the codes on a 2007 Jeep Wrangler?
How to Clear Codes on Jeep Wrangler
- Make sure the engine is not running and key is out of the ignition.
- Disconnect the battery terminals.
- Wait 5 minutes.
- Reconnect battery terminals.
- Insert and turn the ignition key to the run position without starting.
- All error codes are cleared and CHECK ENGINE icon disappeared.
What does the code p0457 mean on a Jeep Wrangler?
This code references a number that is given to you when you plug your Wrangler into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak)
What is the EVAP code on a Jeep Wrangler?
I’ve had EVAP (Evaporative Emission System) leak error codes (P0455, P0456, P0457 or the GAS CAP message) multiple times over the past couple of years that finally annoyed me enough that I decided to launch a quest to fix it. That quest started with a trip to the service department but ended in me taking charge of finding the solution myself.
What does the OBDII code mean on a Jeep Wrangler?
P0457 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (Wrangler or not). The code technically stands for: The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process.
Where is the purge valve on a Jeep Wrangler?
Check your hose near your battery. There is a black plastic hose that runs to your Purge Valve (a part of the EVAP system) that runs directly next to the right side of your battery. In fact, it touches it, and many folks have issues with the back side of this plastic hose corroding/rubbing till it causes a small pinhole.
This code references a number that is given to you when you plug your Wrangler into a OBDII scanner. P0457 Indicates that there is a leak in the Evaporative Emission Control (EVAP) System. It is similar to P0455 (large leak) and P0456 (small leak)
I’ve had EVAP (Evaporative Emission System) leak error codes (P0455, P0456, P0457 or the GAS CAP message) multiple times over the past couple of years that finally annoyed me enough that I decided to launch a quest to fix it. That quest started with a trip to the service department but ended in me taking charge of finding the solution myself.
P0457 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (Wrangler or not). The code technically stands for: The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process.
Check your hose near your battery. There is a black plastic hose that runs to your Purge Valve (a part of the EVAP system) that runs directly next to the right side of your battery. In fact, it touches it, and many folks have issues with the back side of this plastic hose corroding/rubbing till it causes a small pinhole.