OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1487
EGR Boost Sensor Solenoid Valve Open or Short
Hyundai
Auxiliary Emissions Control
Low severity
P1491
EVAP Canister Purge Regulator Valve 2 Open Circuit
Hyundai
Auxiliary Emissions Control
Low severity
P1000
On Board Diagnostic System Readiness Test Not Complete
Maruti Suzuki
Auxiliary Emissions Control
High severity
P1002
Ignition Key Off Timer Performance Too Slow
Maruti Suzuki
Vehicle Speed and Idle Control System
High severity
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