1995 Isuzu Rodeo "failed hc emissions" Questions

HC" I just failed my emissions test due to "High HC" and "High NOx readings. HC are a result of unburned fuel in the exhaust and NOx is the result of high combustion temperatures and/or

failed hc ppm during emission test, why? The reasons are very numerous, a common one is dirty oil and a thermostat that is not getting the engine up to the correct operating temperature of about 200F.

...failed my emissions test due to "High HC" and "High NOx readings. HC are a result of unburned fuel in the exhaust and NOx is the result of high combustion temperatures and/or high ...

...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

...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 ...

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 ...