Code result
P0087
Fuel Rail/System Pressure - Too Low
High severity
What it means
The ECU detects fuel rail pressure below the desired setpoint despite maximum pump and metering valve commands. Common in direct injection diesel and gasoline systems where high-pressure pump or rail pressure regulator fails.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
High-pressure fuel pump worn
highOne of the most commonly reported causes for this code — check this first.
Pressure regulator stuck open
mediumA plausible cause — test and verify before replacing parts.
Fuel filter clogged
mediumA plausible cause — test and verify before replacing parts.
Injector leaking back
lowLess common, but worth ruling out after the more likely causes.
Related help
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