P2149 Diagnostic Trouble Code Discussion for January 2010
Injector Positive Voltage Relay Circuit Group 2 (Injectors 6 & 7)
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| Help Request | Posted | |
| 2004 GMC Sierra 3500 6.6L Poor Idle Quality VIN: 1GTHK33254 P2149: Injector Positive Voltage Relay Circuit Group 2 (Injectors 2, 3, 5 & 8). We are at a loss on this, have spent hours tracing wiring. Suspect the FICM, but is a pricey part to replace being unsure. Has anyone run across this before, or know a way to test the FICM? The truck runs fine for 10 mins or so, then check engine light comes o... |
January 25, 2010 |
