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
P1438
A/C Evaporator Air Temperature Circuit Range/Performance
Ford
Auxiliary Emissions Control
High severity
P1462
Exhaust Gas Temperature Control Bank 2 Range/Performance
Ford
Vehicle Speed and Idle Control System
Medium severity
P1000
On Board Diagnostic System Readiness Test Not Complete
Honda
Auxiliary Emissions Control
High severity
P1096
O2 Sensor Circuit Slow Switching From Lean to Rich Bank 2 Sensor 1
Honda
Fuel and Air Metering
Medium severity
P1134
Air/Fuel Ratio Sensor Bank 1, Sensor 1 Heater System Malfunction
Honda
Fuel and Air Metering
High severity
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