1989 Mazda 323 "failed hc emissions" Questions

...failed smog test c emissions to hi hc to hi on my mazda 1989 323 and i need to find a place who can test catalic converter ALOT OF OLDER CARS DO FAIL THAT SMOG TEST. BUT YOU CAN PURCHASE A SMALL ...

...HC (ppm) FAILED. Idle limit 220 HC (ppm), Idle emissions 819 HC (ppm). Runs good , but has hesitation when first acceleration like worn timing chain and gears. and boy does it stink like sweet burnt ...

15 MPH HC and CO; 25 MPH HC @15 MPH Both HC and CO failed (HC 50% more) @25 MPH HC failed 84 get your injectors cleaned. change the air filter .change your plugs. put a fuel cleaner in your fuel tank

retested and failed again High speed HC 353 CO 4.16 Low speed HC 738 CO 3.86. I think the timing might be off a little. What would cause my emissions to get worse? MAP sensor needs cleaning or is bad

...emissions mot results co 5.508 % hc,s 250 on idle Replace your oxygen sensors.               murf427 Help please guys Low idle ...

failed hc ppm Use Google & study Vehicle Exhaust Emission You'll be there for weeks,if you even understand it all Could type in: High HC Exhaust Emissions or vehicle hydro carbon problems When a ...

Fail smog test I have the truck test it 2 times, the first I pass emission but I fail oxigen sensors. On the second test I pass everything but I fail the emission test, the HC and NO readings are to ...

FAILED 15MPH RPM 1862 / %CO2 MEAS 14.2 %O2 MEAS 0.0 / HC(PPM) MAX 61/ AVE 27 - MEAS 105 / CO(%)MAX 0.51/AVE 0.10 /MEAS0.91 / NO(PPM) MAX 490 / AVE. 165 / MEAS 292 RESULTS FAILED 25MPH /RPM 1911 / %CO2

...HC 87 chev van 350ci,failed 1 of 4 emissions test (HC 3x to high at Idle speed), passed fine at Cruise speed. I just did a tune up(pugs, wires,Etc.) Hydro Carbons are usally from an engine missfire. ...

...HC levels. It failed emissions test with hi CO and HC levels. What are the most common emission issues with these vehicles. Not sure, but did you replace the oxygen sensors. Is your catalytic ...