It’s been a minute, but I found out what’s going on with my jalopy. So, the previous owners put in new injectors (think I mentioned this in my earlier post), and apparently, one of the injectors is different.
All 8 injectors have the same primary part number, and all 8 seem to have additional...
On the mechanical gage at the rail I’m reading a steady 60 psi, but on the scanner I’m reading EXACTLY 57.9 psi and when I say “EXACTLY”, it does not budge or deviate even .1 of a difference at idle or any other throttle position. Just 57.9 all day long, which is weird because when I hooked up...
Alcohol content was reading at 14% when I bought the vehicle but I also don’t know what the previous owner was running. So I ran the fuel down, reset the value, put regular gas in it, and now it’s reading at ~3% and still having the issue.
So, I read through this whole thread because I’m having the same issue with my 07 Tahoe Flex Fuel running rich and getting a P0172, P0175, and P0300 (bank 1 & 2 rich and random missfire). I thought the pressure regulator crapped out because my fuel pressure is around 60 psi, similar to what you...
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