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2008 Tahoe check engine

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Old Nov 4, 2017 | 4:45 PM
  #1  
Brian Swartwood's Avatar
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Default 2008 Tahoe check engine

hey guys, I have a 2008 Tahoe flex fuel. I have a check engine light on for

P0191 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit Range/Performance

i have replace the fuel pump the fuel control module and the fuel rail pressure and check the wiring with no results. I had at the chevy dealership and they were no help. Looking for some help. Thanks Brian
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Old Nov 4, 2017 | 9:40 PM
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oilcanhenry's Avatar
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Originally Posted by Brian Swartwood
hey guys, I have a 2008 Tahoe flex fuel. I have a check engine light on for

P0191 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit Range/Performance

i have replace the fuel pump the fuel control module and the fuel rail pressure and check the wiring with no results. I had at the chevy dealership and they were no help. Looking for some help. Thanks Brian
Could be bad/corroded wiring, a bad fuel pump or a defective fuel pressure regulator or sensor.
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