Notices
General Tech Good at troubleshooting? Have a non-specific issue? Discuss general tech topics here. IF YOUR QUESTION IS SPECIFIC TO A CERTAIN MODEL, IT DOES NOT GO IN THIS SECTION.

2008 Tahoe check engine

Thread Tools
 
Search this Thread
 
Old November 4th, 2017, 4:45 PM
  #1  
CF Beginner
Thread Starter
 
Brian Swartwood's Avatar
 
Join Date: Nov 2017
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
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
Old November 4th, 2017, 9:40 PM
  #2  
CF Monarch
 
oilcanhenry's Avatar
 
Join Date: Oct 2017
Location: USA
Posts: 4,613
Received 262 Likes on 254 Posts
Default

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.




All times are GMT -5. The time now is 2:03 AM.