1999 Hyundai Accent "hc 1" Questions

...HC) vapors from the fuel tank from escaping into the atmosphere where they could form photochemical smog. Gasoline vapors are collected in the charcoal canister. The ECM controls the Purge Control ...

1 of 4 emissions test(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

...1.2 HC: Max=133, measured=58;CO:Max=0.89,measured=0.02; NO: Max=763, measured=1193; @25MPH 1623 rpm: CO2: meas=14.5; O2: meas=0.4; HC: Max=104, meas=35; CO: Max=1.12 meas=0.02; NO: Max=791, meas=1005 ...

...HC (PPM) MAX 64 Ave 28 MEAS 81 failed what is the issue i can be, only 2 things, or both. 1: engine running way too rich. 2: dead cat. (both happens, too) replace the cat, might be cheaper that full ...

...1 bottle of Guarantee to pass. HC came back 2.90 passing is 2.50. What could it be. Heat is pretty much methanol...it will counteract the effects of the other additive you used. Run that stuff out of ...

...HC is hydrocarbons. This is unburnt fuel. PPM is the amount of fuel in the mixture and it is in PARTS PER MILLION. There are a lot of possible causes: 1. Dirty air filter. Not letting enough air into ...

...HC and CO that are present in the exhaust gas. This reaction converts these chemicals into harmless water vapor and carbon dioxide. The catalyst also reduces the NOx which converts into nitrogen. The ...

...1 sensor 2 [po304 misfire detected cylinder 4 what does this mean did it fail high hc? you could change 4and 6 coils around and see if you get a p0306 that means the coil pack is bad. common on this ...

...1, fuse 28, 10A RUN 2, fuse 10, 10A RUN RELAY RAP HC RELAY All the above need to have power for brake/trans interlock release. ...

...CO, here, its tiny, a super safe car. to breath near. 1% max is clear, here, on 25mph rollers. in retrospect i think your CO is 1.7% (near 2 times our limit in usa) the 7 HC over 1.7 is ...