2005 Chevrolet Express "egg smell rough idle chevy" Questions

rough idle, sputters and stalls and jerks. Causes:-- A code P0300 may mean that one or more of the following has happened: Faulty spark plugs or wires, Faulty coil (pack), Faulty oxygen sensor(s)

...egg smell,loss of power,rough idle A sudden loss of power, rough idle, rotten egg smell Your catalytic converter is plugged up,  If you check the exhaust output at the tailpipe you will find it ...

...egg smell is a clogged CAT. Is the engine light on and if so did you retrieve any codes? SOUND LIKE YOU HAVE A INTAKE MANIFOLD VACUUM LEAK.CAUSING RICH GAS MIXTURE CAUSING UNBURN RAW FUEL COLLECT AT ...

...a rough/erratic idle like it wants to die, exhaust stinks too. I have cleaned EGR & MAF not sure what next. catalytic converter plugged restricting exhaust smells like rotten eggs/sulfur ...

...egg smell and rough idle with hesitation ... Replaced plugs and wires.... Mass air flow sensor..... The guy at autozone said it sounds like catalytic converter.... Could it be o2 sensors.... maybe it ...

...egg smell, so it's probably bad. The cheap test is to disconnect it, tie it up out of the way and do a short test run. If the problem is solved, you can buy a "universal" converter and still be legal ...

...smell of rotten eggs. Further issue is the truck is idling very rough. We think one fuel injector is not working and spraying fuel to the point of doing damage to the catalytic converter. The truck ...

rough idle skips bad has a like water coming out of the tail pipe and smells like a rotten egg replaced the plus still skips but i think it the spider injection is bad flooding it because when you try

...smell of sulpher or rotten egg coming out of tail pipe. When engine is turned off the exhaust should stop immediately stop coming out of tailpipe. Use a tissue to detect any slow exhaust you can't ...

...egg smell coming from the exhaust. Chevy said it was the cats starting to melt down so i removed them. I am still registering the p0300 so i pulled the plugs and wires and had them warrantied due to ...