Engine-Codes - Ford - P0457 1998 Ford F150

P0457 1998 Ford F150 Code - EVAP Control System Leak Detected Fuel Filler Cap Loose/Off

- Code Popularity: 2,770 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0457 1998 Ford F150?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Missing fuel filler cap
  • Incorrect fuel filler cap used
  • Fuel filler cap remains open or fails to close
  • Foreign matter caught in fuel filler cap

Code Tech Notes

Check for missing fuel filler cap or integrity of the cap.

There is a factory service bulletin for the 1998 Ford F-150:
1998 Ford F-150 Factory Service Bulletin OBDII Code P0457

⚠ Does your Ford have Safety Recalls? → Check here

How to Fix the DTC P0457 1998 Ford F150?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0457 1998 Ford F150 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • A noticeable fuel odor may result from fuel vapor release

What Does the P0457 1998 Ford F150 Code Mean?

Vehicles that meet enhanced evaporative requirements utilize a vacuum-based evaporative system integrity check. The EVAP system integrity check uses a Fuel Tank Pressure Transducer (FTPT), a Canister Vent Solenoid (CVS) and Fuel Level Input (FLI) along with the Vapor Management Valve (VMV) or Electric Vapor Management Valve (EVMV) to find 0.040” diameter or larger EVAP system leaks. Federal vehicles can utilize a 0.040" leak check rather than the 0.020" leak check required for California vehicles.
The Diagnostic Trouble Code (DTC) will set when the EVAP control system has a very large leak such as the fuel filler cap fell off, the EVAP control system does not operate properly.

P0457 1998 Ford F150 Code - EVAP Control System Leak Detected Fuel Filler Cap Loose/Off

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