GM Service Manual Online
For 1990-2009 cars only

LNF Turbo Engine Misfire, SES/MIL, DTCs P0300, P0301, P0302, P0303, P0304, P0193, P0201, P0202, P0203 and/or P0204 (Replace Any Loose Tension Terminals at Fuel Injector Connector C162)

Subject:LNF Turbo Engine Misfire, SES/MIL, DTCs P0300, P0301, P0302, P0303, P0304, P0193, P0201, P0202, P0203 and/or P0204 (Replace Any Loose Tension Terminals at Fuel Injector Connector C162)

Models:2007 Pontiac Solstice GXP
2007 Saturn Sky Redline
with Ecotec 2.0L I4 Turbo Engine (VIN X -- RPO LNF)



Condition

Some customers may comment on an engine misfire with the SES/MIL illuminated. Upon further investigation, the technician may find the following DTCs stored in the ECM:

    • Engine Misfire Detected -- P0300, P0301, P0302, P0303, P0304
    • Fuel Rail Pressure (FRP) Sensor Circuit High Voltage -- P0193
    • Injector Control Circuits -- P0201, P0202, P0203, P0204

Cause

This condition may be caused by loose terminal tension at fuel injector engine harness connector C162.

Correction

Inspect the C162 fuel injector multi-way harness connector for proper connection, proper terminal contact, and proper terminal retention force. If a condition is found, repair the loose connection at the C162 connector. Refer to DTCs P0201, P0202, P0203 and/or P0204 in SI for further circuit/system testing.


    Object Number: 1865356  Size: SH
  1. Disconnect the engine wiring harness electrical connector C162 from the fuel injector wiring harness electrical connector. The location of connector C162 (1) is next to and under the intake manifold front of engine.

  2. Object Number: 1865359  Size: SH
  3. Remove the TPA/cover (1) from harness connector C162.

  4. Object Number: 1865361  Size: SH
  5. Inspect for loose terminal tension at connector C162 (1). Check all terminals and replace as necessary. For terminal replacement, refer to Power and Signal Distribution -- Wiring Systems and Power Management -- Diagnostic Information and Procedures -- Sumitomo Connectors in SI.
  6. • Use J 38125 Terminal Repair Kit and Instruction manual
    • Replacement terminal part number is 33012-1002 (150 MX female)
    • Location Tray #26 Sumitomo
    • Terminal removal tool part number 12094429
    • Test probe removal tool part number J 35616-14

Warranty Information

For vehicles repaired under warranty, use :

Labor Operation

Description

Labor Time

N6606

Wiring and/or Connector - Fuel System - Repair or Replace

Use Published Labor Operation Time