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NIFE Code Reader


These trouble codes indicate which circuit the ECM has read as being out of normal parameters. A Code Diagnostic Chart should be used to troubleshoot the symptoms.
A flashed code does not necessarily indicate a specific faulty part. Diagnostic trouble
codes can be cleared from the ECM by disconnecting the battery for at least one minute.
4 Cylinder Codes 6 Cylinder Codes
   
Code 12 - ECM self test (the 1st and last code flashed) Code 12 - ECM self test (the 1st and last code flashed)
Code 13 - Oxygen sensor, (Open Circuit) Code 13 - Oxygen sensor, (Open Circuit)
Code 14 - Coolant sensor circuit (low) Code 14 - Coolant sensor circuit (low)
Code 15 - Coolant sensor circuit (High) Code 15 - Coolant sensor circuit (High)
Code 21 - Throttle position sensor (high) Code 21 - Throttle position sensor (high)
Code 22 - Throttle position sensor (low) Code 22 - Throttle position sensor (low)
Code 23 - Manifold air temp Code 23 - Manifold air temp
Code 24 - Vehicle speed sensor Code 24 - Vehicle speed sensor
Code 25 - Manifold air temp Code 25 - Manifold air temp
Code 33 - MAP sensor (high) Code 32 - EGR system
Code 34 - MAP sensor (low) Code 33 - MAP sensor (high)
Code 35 - Idle Air Control Valve Code 34 - MAP sensor (low)
Code 42 - Electronic Spark Timing Code 35 - Idle Air Control Valve
Code 44 - Lean Exhaust Code 42 - Electronic Spark Timing
Code 45 - Rich Exhaust Code 44 - Lean Exhaust
Code 51 - Prom Code 45 - Rich Exhaust
Code 55 - ECM Code 51 - Prom
  Code 52 - Fuel CALPAK
  Code 53 - System over voltage
  Code 55 - ECM
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