P0081 fault code: Intake Valve Control Solenoid Circuit

P0081 means “Intake Valve Control Solenoid Circuit” — a fuel and air metering fault in the powertrain.

Can I DIY?

Professional-only boundary. Do not swap intake solenoids between actuators; take both codes to the garage.

Do not DIYReviewed page boundary
ToolsSpecialist equipment

This is the conservative boundary from the reviewed code record. This page has no frozen site-wide safety grade, so it does not publish a repair route.

What to tell the garage about P0081

Do not drive. A further intake-valve control solenoid circuit — used when an engine has more than one intake actuator — is unhealthy. That second actuator can stop varying intake timing even if the first solenoid circuit is quiet.

Take these reviewed, code-specific details with you. They help the garage confirm the fault without turning this page into a repair procedure.

  • Intake Valve Control Solenoid Circuit: Registration number
  • Intake Valve Control Solenoid Circuit: Exact code P0081 and any companion codes
  • Intake Valve Control Solenoid Circuit: Whether the engine management light is steady or flashing
  • Intake Valve Control Solenoid Circuit: Whether P0075 or other intake-solenoid codes were stored with P0081
P00xxFuel and air metering
MOT fail riskif the warning light stays on

What does P0081 mean?

P0081 is a generic (SAE standard) powertrain code reported by your car’s engine control unit. It sits in the P00xx block, which covers fuel and air metering. The stored description is “Intake Valve Control Solenoid Circuit”. The code itself tells you which circuit or system tripped the fault — not always the exact part that failed.

Will P0081 fail an MOT?

A lit engine management light is a Major MOT fail. A second intake-valve solenoid circuit is not a distinct MOT inspection line.

Before booking your test, check what usually fails on your car: see our MOT pass rates by make and model, built from 33.1 million DVSA tests.

Related guides

Car diagnostic test cost: compare the scopeUK booking marketplaces currently publish diagnostic averages of about £52–£65. Engine management light on: steady or flashing?A steady engine management light means the computer has stored a fault. Drive with caution and get the code read. A flashing light is different — stop when it is safe.
P0001Fuel Volume Regulator Control Circuit/Open P0002Fuel Volume Regulator Control Circuit Range/Performance P0003Fuel Volume Regulator Control Circuit Low P0004Fuel Volume Regulator Control Circuit High P0005Fuel Shutoff Valve 'A' Control Circuit/Open P0006Fuel Shutoff Valve 'A' Control Circuit Low P0007Fuel Shutoff Valve 'A' Control Circuit High P0008Engine Position System Performance

P0081 — quick answers

Is it safe to drive with P0081?

Do not drive. P0081 has no verified driving guidance. Do not drive until checked. A second intake-solenoid circuit is still variable-valve control, not a duplicate of P0075 that you can ignore.

Will P0081 fail my MOT?

A lit engine management light is a Major MOT fail. A second intake-valve solenoid circuit is not a distinct MOT inspection line.

Fault-code identifiers are standard diagnostic facts. Their explanations and diagnostic guidance on this site are original editorial summaries, not reproduced SAE wording. MOT defect rules reflect the DVSA MOT inspection manual (2026). This page is general guidance for UK drivers, not a substitute for a professional diagnosis.