Questions & Answers for: GMC C1500 high emissions

86 gmc suburban c1500 wont pass emissions \ what is it failing?

86 gmc saburban failed emissions failed emissions there isn't much a person can do at home when it comes to repairing a emissions failue there are HC failures where there is unburned fuel There is CO ...

1998 GMC 4.3 TWO WHEEL DRIVE I KEEP GRTTING THIS CODE 1998 GMC 4.3 ,TWO WHEEL DRIVE, I KEEP GRTTING THIS CODE .EVAPERATIVE EMISSION SYSTEM THROUGH MY CODE READER. DOSE ANY ONE KNOW WHAT TO DO? evap ...

problem wiyh emissions in ford puma. changed catalyst convertor but still failing test. has anyone got any ideas Run the car for around 1 week. You need to burn off all contaniments,ie paint etc from ...

I have a 1979 GMC pickup 1/2 ton I need to know what was on this vehicle for Emissions. I have already installed the cats and have an EGR valve to install but what else would I need 1979??' you sure ...

cant find the high beam fuse for a 1994 gmc suburban. i turn on the high beams and have no lights. i have replaced the bulbs and still no high beams it maybe your high beam switch isnt working. look ...

...high HC's as well since fuel gets into the oil and make sure your PCV valve is operating correctly. If you can't get it adjusted correctly, you may have to pay a shop to hook it up to the emissions ...

...Emissions and Safety Inspection except it failed the pollutant HC(ppm) Emission Test at High Speed the given standard is 143 and the current reading topped out at 196 but only at the Higher speed ...

emissions test I let their mechanic fix it( or pass smog) However, now when the truck is in park the rpm's are at 1200 about 300 rpm's higher then when it went into the shop. Once the truck is

wipers work on high only replaced control board two years ago wipers worked fine for a while, now work on high only it is the control board they crack ,breaks the crucit