Chrysler
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Cylinder 1, 2, 3 or 4 Misfire Detected Conditions
Cause:
    No PCM codes set, engine speed at 2200-2800 rpm, MAP sensor input under 1.60v, ECT sensor over 176°F, VSS under 3 mph, then test started and PCM detected a misfire in 15% of the engine cycles in 200 revolutions, or detected a misfire in 2% of engine cycles in 1000 revolutions.

Ford
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Cylinder Number 1 Misfire Conditions
Cause:
    Engine running in a positive torque condition, then the PCM detected a misfire condition in engine cylinder number 1 (lack of spark or fuel metering, base engine)

Generic
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Cylinder 1 Misfire Detected

GM
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Cylinder 1, 2, 3 & 4 Misfire Detected Conditions
Cause:
    DTC P0105, P0107, P0112, P0113, P0117, P0118, P0122, P0123, P0125, P0131, P0132, P0133, P0134, P0171, P0172, P0325, P0335, P0341, P0342, P0502, P0503, P0506, P0507, P0601, P0740, P0742, P1133 and P1621 not set, engine runtime over 5 seconds, engine speed from 469-6400 rpm, system voltage from 9-17v, ECT input from 20-254°F, throttle position has not increased more than 8% in one second or throttle position has not decreased more than 1.5% in one second, then the PCM determined that the Misfire total for Cylinder 1, 2, 3 or 4 was more than 8 counts.

Nissan
Type:
    Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description:
    Cylinder No. 1 - misfire
Cause:
    Wiring, mechanical fault, fuel system, EGR valve, injector, intake/ignition system, CKP sensor, HO2S front, ECM