P0300 OBD Trouble Code

5 results found

P0300 - Generic
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

Random/Multiple Cylinder Misfire Detected

P0300 - Chrysler
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

Multiple Cylinder Misfire Detected Conditions

Cause

No PCM codes set, CKP sensor "learn routine" completed, engine running under 3000 rpm, then test started and the PCM detected over a 10-30% misfire rate with 2 cylinders misfiring (using 1-trip detection), or it detected a 2% misfire rate with 2 cylinders misfiring (using 2-trip detection). Test Base Engine and Ignition System components.

P0300 - Ford
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

Random Misfire Conditions

Cause

Engine running in a positive torque condition, then the PCM detected a random misfire in one or more engine cylinders (PCM could not identify which cylinder was misfiring).

P0300 - GM
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

Engine Misfire Detected Conditions

Cause

Engine runtime over 90 seconds at idle speed, ECT sensor input more than 132°F, fuel adjustment more than a calibrated amount in the PCM, then the PCM detected multiple misfires had occurred

P0300 - Nissan
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

Random misfire

Cause

Wiring, mechanical fault, fuel system, EGR valve, injector, intake/ignition system, CKP sensor, HO2S front, ECM

Try also: http://www.obd-codes.com/p0300