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DTC code page

P0092: Fuel Pressure Regulator 1 Control Circuit High

Quick answer: The ECU sees the regulator 1 control circuit staying higher than expected.

Drivers also search this fault as fuel pressure regulator 1 control circuit high, P0092 regulator high input, fuel metering valve circuit high, regulator control high voltage.

Severity: high Family: powertrain Related paths: 12
Meaning

What P0092 usually means

P0092 is the high-input counterpart to P0091. The control path for fuel pressure regulator 1 is being reported too high, which can happen from a short to voltage, an open circuit that lets the signal float high, a failed regulator coil, or a driver problem inside the module. In practice this code matters because it often overlaps with rich running, hot-restart trouble, or pressure that overshoots command and makes the engine feel loaded up rather than starved.

Fast triage

Start here before chasing parts

  • Scan first: save freeze-frame and pending codes before clearing anything.
  • Confirm the complaint: compare the stored code with current drivability symptoms.
  • Use context: trims, live data, and related codes usually narrow the fault faster than guesswork.
  • Work simplest to hardest: leaks, connectors, maintenance items, and known patterns before expensive components.
Initial checks

What to check first

  • Ask whether the vehicle smells rich, restarts poorly when hot, or surges at idle because those clues fit the high-input branch well.
  • Inspect for an unplugged or partially seated regulator connector before hunting for exotic pump faults.
  • Compare commanded and actual pressure so you know whether the high-input fault is also driving a real pressure problem.
Driving risk

Can you keep driving?

P0092 can produce rich running, unstable idle, hard restarts, or reduced power if fuel pressure control overshoots or becomes erratic. Keep driving to a minimum until the circuit fault is fixed.

High urgency: If symptoms are active, reduce driving and diagnose quickly before secondary damage builds.
Likely causes

Common causes behind this code

  • Short to voltage in the regulator control circuit
  • Open circuit or unplugged component causing the signal to read high
  • Fuel pressure regulator or metering valve coil open internally
  • Connector damage or poor terminal contact creating a false high state
  • Control-module driver fault
  • Pressure control issue that produces rich operation alongside the electrical fault

Cause phrases often tied to this code: short to voltage regulator circuit, open circuit causing high input, fuel regulator coil open, biased ECU driver high, high voltage in fuel metering valve circuit.

Diagnostic order

Suggested workflow

  1. Confirm the circuit is biased high rather than simply reacting to a separate pressure problem.
  2. Inspect the connector and harness for opens, pin fit issues, or a short to voltage.
  3. Test the regulator or metering valve coil for an internal open condition.
  4. Review system voltage and module output behavior during startup and hot restart.
  5. After repair, verify pressure control and drivability normalize together.
Avoid guesswork

Common mistakes

  • Replacing injectors or oxygen sensors first because the engine smells rich, while ignoring the pressure-control circuit fault already present.
  • Assuming high input means the regulator is commanding too much pressure when the circuit may simply be open.
  • Skipping hot-restart testing even though that is often when P0092 becomes obvious.
Repair path

Practical fix guidance

  • Repair the high-biased electrical fault before replacing expensive pressure hardware in bulk.
  • If actual pressure also runs high, verify that the regulator can respond once the circuit fault is corrected.
  • Validate the repair with a warm restart and a loaded drive where the code used to return.
Vehicle context

Affected brands in this MVP

Brand hubs help broaden internal linking now and can evolve into make-specific diagnostic notes later.

Aliases and common searches

English phrases tied to P0092

Useful when the driver knows the wording but not the exact DTC yet.

  • fuel pressure regulator 1 control circuit high
  • P0092 regulator high input
  • fuel metering valve circuit high
  • regulator control high voltage
Related search intent

Queries this page can answer naturally

  • P0092 code meaning
  • what does P0092 mean
  • fuel pressure regulator 1 control circuit high
  • fuel metering valve high input
FAQ

Quick questions about P0092

Can an unplugged regulator connector trigger P0092?

Yes. An open circuit can look like a high-input fault to the ECU on some systems.

Why does P0092 sometimes come with fuel smell?

Because unstable or excessive pressure control can make the engine run richer than intended, especially during restart and idle.