Injection Pump Fuel Metering Control A Range/Performance Problem
The fuel injection system isn't delivering the correct amount of fuel.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The computer is saying that the fuel pump isn't supplying the right amount of fuel to the engine, which could make the engine run poorly or not start at all.
What the computer is actually seeing
The engine control module (ECM) monitors the fuel pressure and flow. If the pressure is outside the normal range (usually around 5-100 psi, depending on the system), it triggers this code.
What a healthy reading looks like
Expected fuel rail pressure should typically be between 30-50 psi at idle; check specific vehicle specifications for exact numbers.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 1Check the fuel level—ensure it’s at least 1/4 tank.
- 2Inspect for any visible wiring or connector damage related to the fuel pump and injectors.
- 3Test fuel pressure at the rail with a gauge; ensure it matches expected values.
- 4If pressure is low, check the fuel pump operation—listen for it and check fuel delivery volume.
- 5Check the fuel filter for clogs; replace if it’s dirty.
- 6Inspect the fuel pressure regulator for proper operation.
Common causes
- Faulty fuel injector
- Weak or failing fuel pump
- Fuel pressure regulator malfunction
- Clogged fuel filter
- Wiring/connector issues to the fuel pressure sensor
Typical repair cost
$$$
Related codes
Frequently asked questions
Is it safe to drive with this code?
It’s not recommended; the engine may run poorly or not start, risking further damage.
Will the issue return after clearing the code?
If the underlying problem isn’t fixed, the code will likely return.
Why does this code appear with low fuel pressure?
Low fuel pressure can indicate issues with the fuel pump or clogged filters, which directly impacts engine performance.
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