Back to 2000 Porsche 718 Boxster
Help

2000 PORSCHE 718 BOXSTER

2.5L H6•RWD•DCT•gas
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor564Torque2386Fluid7DTC679Battery0Maintenance0Recalls0
P1425low severityPowertrain

Tank Vent Valve Short to Ground

on 2000 Porsche 718 Boxster 2.5L H6 · RWD

What this code means

The ECU detected a short to ground in the tank vent valve circuit. This valve controls airflow into the EVAP canister and its malfunction affects fuel vapor management.

Symptoms

  • Check Engine Light
  • Fuel vapor odor
  • Failed emissions test

Common causes

  • Wiring shorted to ground
  • Faulty tank vent valve
  • Connector damage
  • Water intrusion at connector

Diagnostic steps

  1. Test vent valve resistance
  2. Inspect wiring for ground shorts
  3. Check connector for water intrusion
  4. Test ECU driver output

Repair notes

Repair the wiring short to ground or replace the tank vent valve.

Other Powertrain codes on this vehicle

⚠ STILL BEHIND THE PAYWALL
The 2000 Porsche 718 Boxster repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Porsche 718 Boxster — $99 →
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →