lglowe

iTrader: (3)

Just swapped out my broken 6.0 for a 06 5.3 and I got running but i have been have what feels like a misfire. Iv done some searching and I checked plugs,wires,could and injector wiring so the next thing this leads me to is bad pcm according to what iv read. Anybody had this before?

Suburbazine

Probably a defective fuel injector.

CIRCUIT DESCRIPTION
The control module enables the appropriate fuel injector on the intake stroke for each cylinder,ignition voltage is supplied to the fuel injectors. The control module controls each fuel injector by grounding the control circuit via a solid state device called a driver. The control module monitors the status of each driver. If the control module detects an incorrect voltage for the commanded state of the driver, a fuel injector control DTC sets.

CONDITIONS FOR RUNNING THE DTC

• The engine speed is more than 400 RPM .
• The ignition voltage is between 6-18 volts .

CONDITIONS FOR SETTING THE DTC

• The PCM detects an incorrect voltage on a fuel injector control circuit.
• The condition exists for 5 seconds .

ACTION TAKEN WHEN THE DTC SETS

• The control module illuminates the malfunction indicator lamp (MIL) on the second consecutive ignition cycle that the diagnostic runs and fails.
• The control module records the operating conditions at the time the diagnostic fails. The first time the diagnostic fails, the control module stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the control module records the operating conditions at the time of the failure. The control module writes the operating conditions to the Freeze Frame and updates the Failure Records.

CONDITIONS FOR CLEARING THE MIL/DTC

• The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
• A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
• A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.
• Clear the MIL and the DTC with a scan tool.

DIAGNOSTIC AIDS

• Performing the Fuel Injector Coil test may help to isolate an intermittent condition. Refer to Fuel Injector Coil Test. See: Powertrain Management\Fuel Delivery and Air Induction\Fuel Injector\Testing and Inspection