Jan 19, 2025 · Hi all, My G8 GT won't start. 152k miles on it. Right now when turning the ignition, all electricals turn on, but the RPM meter barely ticks upwards when starting. Then nothing happens and we cannot hear any other noises from the car attempting to …

Apr 3, 2009 · I have been doing some research for a cold air intake for my G8 GT and I am stuck between these two intakes which one do yal recommend, I have heard nothing bad about either of them. Right now though I am leaning towards the New Era Intake and the other one is the Roto-Fab Intake. In the...

Oct 12, 2009 · I am wondering if anyone has exprienced vibration problems coming through the steering wheel? I`ve had two G8`s one 6 and a GT.The 6 needed new control arms,tires and the 4 rotors turned at purchase. The GT has had the rotors turned, and control arms replaced at purchase. The dealer can not (...

Apr 18, 2008 · G8 GT mpg results My GT is getting 22 MPG with combined city and hwy driving (no cruise control yet in this analysis). I live in SE TX so conditions are mostly flat. I notice fuel management engages at 40+ MPH when at steady speeds (it's a subtle sensation).

Aug 5, 2023 · Want to talk about a performance modification for your Pontiac G8 This is the area to do it!

Mar 3, 2015 · I have a 2009 Pontiac G8 GT with the V8. The engine has been making a really annoying squeaking noise for a number of months. I have had belts replaced. I went to have it check out at 4 different places (2 Chevy dealers and 2 local shops). I'm getting mixed signals. The two dealers say...

Mar 7, 2025 · A forum community dedicated to Pontiac G8 owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!

Apr 18, 2010 · I have a 2009 Pontiac G8 Sedan. When I drive over bumps I hear a clunking sound on the passenger side. My dealer said I needed a right front stabilizer link. They ordered the part and said it would take a couple of days to get the part. …

Oct 2, 2012 · Hi. It's time for me to replace the battery in my 2009 Pontiac G8 GT. What battery would you recommend? What are you using in your G8? Where did you buy it? What price did you pay? FYI - I'm not interested in paying $400 for that AC Delco battery so skip that battery.

Dec 21, 2013 · Good morning, first time posting but have gotten a lot of information from here over the years. I have an ABS fault and the code is C0045. 09 Pontiac G8 base model. C0045 means the left rear wheel sensor is not working. Replaced the sensor it still reads 0 MPH while in motion and all the other...