2008 Cadillac Dts "chang pass" Questions

why wont my car pass smog they said i need to change o2 sensor i did no pass, then they say spark plugs i did then they say spark plug wires so i did and i changed cap and roater still wont pass it ...

it in three passes 1st pass 27 inch pounds 2nd pass 106 inch pounds 3rd and final pass (carefull it changes up on ya a bit) 11 foot pounds

I have a manual 1989 honda accord that wont pass emissions I was told to change oil and bring back. I changed the oil, airfilter and spark plugs readings where worse still didnt pass?? What else can I

Cannot pass emissions. Already changed plugs, air Cannot pass emissions. Already changed plugs, air filter, added an additive to gas, changed oil. Try cleaning the EGR valve or just replacing it and ...

honda passport 1994 4wh drive cant pass smog test. i change the catalytic converter, change the egr valve, 02 head sensor and major tune up, spark plugs, wires are all change still cant pass smog. i ...

...of 790 NO ppm at 1871 RPM, I put about a liter of water into the intake at about 2000 RPM and changed vacum lines to EGR valve,(may have been cracked), now the reading is only 214 NOppm at 1348 ...

Temperature passing cool HAVE A 98 HONDA CIVIC THE TEMPERATURE KEEPS PASSING THE COOL MARK BEFORE FAN COME IN WHEN IT GOING UP IT TREMBLES SOME TIMES AND AGTER FAN COME IN IT DIP QUICKLY. I HAVE ...

...knowing it did not pass. Previous owner has amnesty from DMV, but DMV says has to pass for a title change. We only need it to pass for title change as our permanent home county requires no smog ...