Chrysler 2005 Crossfire SRT6 Service Manual page 2267

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(P0300) MULTIPLE CYLINDER MISFIRE (CONTINUED)
When Monitored and Set Condition
• When Monitored: Any time the engine is running, and the Target Learning Coefficient has been successfully
updated.
• Set Condition: When more than a 1.0% misfire rate is measured during two trips.
ENGINE CONTROL RELAY OUTPUT CIRCUIT
FUEL INJECTOR CONTROL CIRCUIT
FUSED IGNITION OUTPUT CIRCUIT
ENGINE MECHANICAL PROBLEM
COIL ON PLUG
COIL ON PLUG DRIVER CIRCUIT
SPARK PLUG
FUEL STRAINER PLUGGED
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP
FUEL INJECTOR
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Note: Always perform diagnostics with a fully charged battery.
Note: Check connectors — Clean/repair as necessary. Poor pin to
terminal connections can set DTCs.
Note: Check for applicable TSBs related to the problem.
Turn the ignition on.
With the DRB III , read PCM DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and
connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
Continue
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ENGINE - ELECTRICAL DIAGNOSTICS 9 - 343
POSSIBLE CAUSES