matt86 Posted January 9, 2007 Report Posted January 9, 2007 Last week my car would hesitate at around 45 mph when i would give it some gas. The SES light would also come on occasionally when I would start it then would go off after about 5 minutes. Then last night, I was driving about 2 miles from my house when I stopped at a light at the car was running really rough. It ran like shit till I made it to the lot a couple hundred yards away. I parked it and it was still running like crap. I could smell that rotten egg smell too. I am planning on doing the plugs and wires before I go back to school. Any suggestions at what this might be? Quote
19Cutlass94 Posted January 9, 2007 Report Posted January 9, 2007 rotton egg smell = bad cat. Get a new one or just gut it out. Quote
Mach 5 Posted January 9, 2007 Report Posted January 9, 2007 agree. For a new cat, I think the magnaflow is the best but the others are just as good. I run magnaflow. Do you here a rattle from underneath the car? Quote
matt86 Posted January 9, 2007 Author Report Posted January 9, 2007 The smell only happened after it was running like crap. It doesn't normally smell Quote
19Cutlass94 Posted January 9, 2007 Report Posted January 9, 2007 It doesnt normally smell, because its working the way its suppose to. A clogged/bad cat will make a car run like shit and it will smell like that. Quote
jeremy Posted January 12, 2007 Report Posted January 12, 2007 It doesnt normally smell, because its working the way its suppose to. A clogged/bad cat will make a car run like shit and it will smell like that. what Jay said Quote
matt86 Posted January 12, 2007 Author Report Posted January 12, 2007 Its in the shop right now. The brake line was rusted and broke when they were taking it out for a test drive. So its a good thing the car is there but they can't find the problem for some reason. Quote
gp90se Posted January 12, 2007 Report Posted January 12, 2007 Cat, but when you change it/remove it, change the O2 sensor so it doesn't happen again Quote
94CutlassXtreme Posted January 13, 2007 Report Posted January 13, 2007 Definetely a bad cat. Probably cooked the o2 as well. If you drove it alot while all this was happening, then changes the plugs too. Quote
gp90se Posted January 13, 2007 Report Posted January 13, 2007 Definetely a bad cat. Probably cooked the o2 as well. If you drove it alot while all this was happening, then changes the plugs too. other way around, bad O2s kill cats Quote
matt86 Posted January 13, 2007 Author Report Posted January 13, 2007 Turns out it was a bad coil. Problem solved Quote
Euro Posted January 14, 2007 Report Posted January 14, 2007 Turns out it was a bad coil. Problem solved bad coil causes a rotten egg smell? Quote
matt86 Posted January 14, 2007 Author Report Posted January 14, 2007 No but it was causing the car to run like crap. The smell, I think, was from a rich mixture. It was a short-lived smell. Quote
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