1995 Chevrolet K1500 "tips pass emissions" Questions

engine is doging down with muffler off no hollowed cat timing perfect Your description is not very clear to me, but your engine, in absence of modifications, REQUIRES the back pressure provided by cat

...emissions testing. Unfortunately, your EGR valve can get stuck, causing NOX gases to build up. You'll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like ...

...emissions approximately 3 times allowed CO, Hydrocabons and NO's. Tried 2 new cats, timing, iac, map, coolant sensor, plugs wires rotor cap, egr. air cleaner, etc. Any ideas? Thanks, any help is ...

...pass nys emission inspection. check engine light wont turn off. Have the computer scanned (see my tips and tricks section for a free way to do so - click my screenname and go to Tips and Tricks). ...

pass emission test because IM monitors- H O2, O2, EGR, Catalyst not ready - when engine is at operating temp. I tested all the sensors and they are all ok. And the check engine light doesnt come on at

...PASS EMISSIONS, replace your oxygen sensor ! replace both the AIR & FUEL FILTERS ! change your OIL & OIL FILTER ! TUNE-UP YOUR ENGINE, SPARK PLUGS, PLUG WIRES, AND AFTER THAT, HAVE THE DUDE @ ...

...pass an emissions test when it failed for a high NOx levels? Its a 4 cyl with 180000 mi and I live in California Sometimes doing a few simple things can not only reduce the emission levels but help ...

...pass emissions test? this is an old school tip, with the motor running, keep the rpm's up above idle , get a spray bottle, and as you run the car , spray a shot every few seconds ( as long as the ...

...pass emissions in next 9 days. Why does it run ok with hose plugged up? But misfires when connected? Should there be a lot of vacuum on that hose? I would assume the check engine light is on now ...

...pass imission because won't senor I was told to use gas treatment n drive awhile then bring it there is no engine light. Which do I use and is this true? This link may answer some of your question, ...