Subaru P1448: Fuel Tank Sensor Control Valve Range/Performance

Is your scanner showing Subaru P1448?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Subaru P1448: Fuel Tank Sensor Control Valve Range/Performance

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$200-$300
Can I Still Drive?
:
Yes (Short-term only)

What Does The Subaru P1448 Code Mean?

Engine started, vehicle driven at cruise speed and then back to idle, and the PCM detected a problem in the operation of the Atmospheric Pressure valve system during the CCM test period.

What Are The Potential Causes Of The Subaru P1448 Code?

  • Check for other DTC on display
  • Check fuel filler cap
  • Check evaporative emission line

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> INNOVA 5210

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Subaru P1448, DTCDECODE.

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