Questions & Answers for: Honda Civic fix failed smog test

MIL stays on MIL staying on all the time. Is it important to get checked straight away. Yes it is important, but unless the engine is running poorly or the trans is acting up then you can wait a few, ...

ASM EMISSION TEST WONT PASS SMOG TEST 1991 HONDA ACCORD NO PPM MEAS.1395 FAILED start with a tune up and check timing

...smog problems till after a rebuilt head was installed. Mechanical timing is dead on, checked with timing light as well and dead on 18BTDC. Engine has new head, new air filter, oil, oil filter, o2 ...

...fix it and snogged the car i FAILED it said that the Catalyst EVap System and O2 Sensor was not read? or Incomplete Please help!! i have to ensure my car. Do i have to REplace anything? The O2 sensor ...

...smog test ,the mechanic couldn't tell me what's wrong,I also tried in pepboys,honda mechanics,smog test shop. This might be due to innefficient air - fuel combustion. One reason causing this is the ...

...failed California Smog Check. Will a complete tune up fix the problem? If not, what should I repair / replace? ASM Emission Test Results: 15mph - RPM = 1902 %CO2 = 14.3 %O2 = 0.6 HC (PPM) = 160 (max ...

...fix my civic emissions problem to pass smog Take it to a station that test & can diagnosis. Get the read out, fix your self or a good mechanic or have them fix it.But first find out whats wrong. ...

failed the emissions test. HC (PPM) CO % Low High Low High Reading 245 443 3.27 10.02 Limit 220 220 1.20 1.20 Was told to get it tuned up. What would cause these problems? And can it be fixed/tuned up

smog test but did not indicate what the problem was or the cost to repair. Can you give me a ballpart if the proble check the report on your smog test and go from there. If it passed then it should be

...pass smog!!!!! everything on the smog passed except the NO(ppm) max allowed is 487 at 15mph mine was at 734 at 15mph what can it be!!! ...