1986 Nissan 300ZX "fail smog high emission" Questions

...HIGH CO FAILED SMOG EMISSIONS HIGH CO I would replace CATalitic converter, this car is old, plus a tuneup is 100% necessary , spark plugs wires, ditributor cap & rotor, plus both the air & ...

...smog inspection it failed the part were it said emmissions they said the numbers were to high means that the hc,co2,nox, emissions are too high, you will need the numbers in ppm on the read out to ...

...the egr valve replace.make sure the vacuum hoses connect to egr valve and pvc replace.change air filter.all those things will cause high emission if not working properly.cause you to fail smog

...smog test high on emissions wont pass smog test. replacement of catalic converter, o2 sensor, pressure regulator, fuel injectors, throttle body Most modern vehicles have 2 catalytic converters, ...

...took it in today to smog it and it failed due to pcv, and NO is too high at 15mph what should i do and how much will this now cost me a new pcv is only like 3 bucks try having injectors cleaned ...

...fail smog. You can reduce both NOX and CO emmissions by adding denatured alcohol to the gas tank. Run it down to a bit under 1/4 tank and add 1 1/2 gallons. It makes the engine run a bit rough, but ...

...fail a smog test? if you did... i always pass smog because i always have a new catalytic converter installed .if i was a little over the test, this usually gets me down a little lower and that's ...

Smog Test problem. I failed twice with readings with very high emissions in each category. I replaced the Catalytc Converter. It passes with the very best readings in all catagories, but FAILS IN ONE:

fail smog for high emission fail at 15 mile you need to do a major tuneup !!!!!!! replace air & fuel filters, spark plugs & plug wires, distributor cap & rotor, replace OXYGEN SENSOR, ...

...high emissions emitter failed smog need to fix What is an "emission emitter" there is not such part. Please state exactly what type of failure you had, what was the reason report you were ...