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Fuel backing up in filler neck at pump
2011 Tahoe LT. So I did the research on here and determined it seems like the tank purge solenoid is bad. I’ve seen several threads that were a little confusing to me. To verify, we don’t have a metal flapper valve in the filler neck right? I honestly never paid attention to that and my thought...- RocketcCutlass
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- Replies: 10
- Forum: Engine & Drivetrain
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Scan tool to reset ethanol percentage
So I’m pretty sure I need to reset the algorithm for the virtual flex fuel sensor. Is there a scan tool that can accomplish this that’s not specific to GM? I’d like to be able to use it on other vehicles. Even better if I could permanently turn off AFM and get rid of the range module. 2011 Tahoe...- RocketcCutlass
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- Replies: 3
- Forum: Audio & Electronics
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Running rich after replacing all injectors
Ok so all sensors have been replaced a while ago except crank sensor. Plugs and wires done as well. All GM/AC Delco parts. I replaced all injectors last week and it’s running super rich. So much so it through the P0172, P0175, and P0420 low catalyst efficiency codes this morning. What’s weird is...- RocketcCutlass
- Thread
- Replies: 33
- Forum: Engine & Drivetrain
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Low RPM idle and vibration 2011 Tahoe Z71
Hello all. First post after owning the above mentioned Tahoe for a month. First I will list all I have done to it: AC Delco everything -air and oil filter with oil change -plugs -wires -coils -MAF -MAP -O2 sensors -cleaned injectors -cleaned throttle body -cleaned throttle body connector...- RocketcCutlass
- Thread
- Replies: 7
- Forum: Engine & Drivetrain
