Code database
Search OBD-II codes
Filter by family, system, severity, engine, fuel or manufacturer. Every row links to the full diagnostic page with causes, safety advice, checks and a guided workflow.
5 codes found with 1 filter applied
Showing 1–5 of 5
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Fuel rail pressure too low
The high/low pressure fuel system cannot hold the required rail pressure.
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Fuel rail pressure too high
The fuel rail pressure exceeds the maximum allowed.
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Fuel pressure regulator performance
The fuel pressure is outside the expected range.
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Fuel rail pressure sensor range / performance
The rail pressure sensor reading is not plausible.
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Fuel pump primary circuit malfunction
The fuel pump control circuit has an electrical fault.
Codes are matched against published records; partial and keyword matches are shown after exact matches.
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