P1093 Diagnostic Trouble Code Discussion for March 2012
Fuel Rail Pressure Low During Power Enrichment
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| Help Request | Posted | |
| 2005 GMC Sierra 3500 SLE 6.6L low power VIN: 1GDJC33275 P1093: Fuel Rail Pressure Low During Power Enrichment. this truck came in with code p1093 in history, light off. We have a tech2 so ran frp up to 160mpa, no problem. Power brake in shop also no problem but on the road any heavy request pulls frp back to 7500psi. If I let up it will come back and run fine until I g... |
March 08, 2012 | |
| 2005 GMC Sierra 3500 SLE 6.6L low power VIN: 1GDJC33275 P1093: Fuel Rail Pressure Low During Power Enrichment. this truck came in with code p1093 in history, light off. We have a tech2 so ran frp up to 160mpa, no problem. Power brake in shop also no problem but on the road any heavy request pulls frp back to 7500psi. If I let up it will come back and run fine until I g... |
March 12, 2012 |
