Code
P0087
Fuel
Fuel rail pressure too low
The high/low pressure fuel system cannot hold the required rail pressure.
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Most likely causes
- Weak fuel pump
- Clogged fuel filter
- Leaking fuel pressure regulator
- Blocked fuel line
Symptoms you may notice
- Loss of power
- Hard start
- Engine cuts out
Checks to run
- Measure fuel pressure at the rail
- Check the filter and lines
- Test the pump flow
Tools you may need
Fuel pressure gauge
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.