Back to 2011 Audi Q7
Help
2011 AUDI Q7
3.0L Supercharged V6•AWD•AUTOMATIC•gas•CJTB•supercharged
4 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor490Torque3410Fluid10DTC1115Battery1Maintenance0Recalls4
P3655high severityPowertrain

GDI Fuel Metering Unit Control Stuck

on 2011 Audi Q7 3.0L Supercharged V6 · AWD

What this code means

The high-pressure fuel pump metering unit that controls fuel volume entering the pump is stuck, causing incorrect fuel rail pressure.

Symptoms

  • Check Engine Light
  • Fuel pressure too high or too low
  • Engine stalling
  • Hard starting
  • Rough running
  • Fuel smell from engine

Common causes

  • Metering unit solenoid failure
  • Contaminated fuel blocking metering valve
  • Metering unit wiring short
  • Mechanical debris in metering valve
  • PCM driver circuit failure

Diagnostic steps

  1. Monitor fuel metering command vs actual rail pressure
  2. Test metering unit solenoid resistance
  3. Inspect fuel quality
  4. Command metering unit through range with scan tool
  5. Check PCM driver output

Repair notes

Replace high-pressure fuel pump metering unit. May require full pump replacement depending on design. Check fuel quality.

🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITE
Shop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Powertrain codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2011 Audi Q7 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 Audi Q7 — $99 →
Building an app?
Free API access to all this data — 10 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 →