o2 sensors

Hey all! I've got a 2003 Convertible GT reading: P0403 OBDII: Exhaust gas Recirculation (EGR) - circuit malfunction. Does anyone have experience troubleshooting this? I've read things from simply an o2 sensor which would be great and I've done on another vehicle before, but it sounds like it's...

okay so I’ve owned this mustang for about 6 months now and I’ve been driving it with the check engine light on for o2 sensors code. (The originals h pipe with cats were taken out for no cats) I recently got 2 new o2 sensors for the front of the exhuast and used the old sensors for the back, but...

Hello all. My dad recently picked up a 1964 Mercury Comet, with 5.0 HO and AOD out of an 89-91 Mustang GT swapped in place of the original 289 and C4. We are having some issues with lean backfiring on slight accelerator application on occasion which I am trying to work through. When the car...

New tadpole in the pond here But I am having some problems, i've thought long and hard about, but i live in the boonies, the mechanical experience is around here but i can't seem to come to a conclusion - had stock gt w/K&N intake - running fine - installed pypes o/r H - tried eliminators...

Hey all, I just installed a no tune required intake and i have a airraid spacer already on. I had to buy a longer tube for the pcv on the right valve cover to the intake that the stock one wasnt long enough even without the spacer. I installed a new mai and had unplugged the negative and allowed...

I've had problems with my performance my Mustang for awhile now, I posted this in an old thread because I didn't know how to create a new one. Long story short, my car is bogged down upon acceleration. The power and pick up is not pure, or a clean horsepower if that makes sense. It's tainted, I...

Hey guys, I've had this problem for a little while with my 96' mustang gt. Before this problem, my car would pick up just fine. Second gear was my power band, and it would pull really hard, in low RPM's and in higher. The problem is it gradually picks up, and it feels slightly bogged down. I can...