DTC Troubleshooting: P1458(2.0L Engine): Notes

2023 Acura TLX BaseSECTION Notes

DTC P1458  : Fuel Tank Pressure (FTP) Sensor Circuit Range/Performance Problem

Special Tools Required 

Vacuum Pump/Gauge, 0-30 inHg Snap-on YA4000A or equivalent, commercially available 

How to use this manual .

NOTICE: 

Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems(2.0L Engine) or How to Troubleshoot the Fuel and Emissions Systems(3.0L Engine) .

NOTE:
  • Drain the fuel until the HDS [Fuel Level] is less than that is on the on-board snapshot before starting this troubleshooting.
  • Do not start the engine during this troubleshooting.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.