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 causes an EVAP code to be issued?
When the module detects a leak, it issues a diagnostic trouble code. A loose gas cap is one potential source of an EVAP system leak. If the cap does not seal properly against the filler neck, fuel vapors will escape into the atmosphere.
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.
What to do if your Jeep code is p0457?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Check for a loose, missing or damage fuel filler the cap. What does this mean? The cost of diagnosing the P0457 JEEP code is 1.0 hour of labor.
What does the Check Engine light on a Jeep Wrangler mean?
It may return after some lengthened driving. You can re-set the “gascap” light by hitting the trip odometer re-set, however, if that light comes on more than a few times it will probably through the “ding” and check engine light with a P0457 EVAP Emission System Leak, or perhaps a P0456 code (mine was P0457). Thanks for the help, I’ll let you know.
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.
What’s the gas cap light on a Jeep Wrangler?
On the drive home, still becoming acquainted with the Jeep, I first noticed the “gascap” light on the dash. No check engine light at first. After a few days the check engine light did come on with the “P0457 EVAP System” light. I ordered a new factory gas cap, cleared the engine code – gascap” light came back on 5 seconds after engine start.