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Silverado
Emission
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CHEVROLET SILVERADO SMOG FAIL
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Found 8 results
Emissions Failure OBDII DTC P0430
My Truck Is The Extended Cab Model. Runs Normal. Need Emission Inspection For New Tags. Failed Catalytic Converter - Pass Po430 -...
Asked by
almug
·
1 ANSWER
1 IMAGE
2002
CHEVROLET SILVERADO
VIDEO
Code Read Retrieval/Clear Chevrolet
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
What Causes A Measurement Of 133 HC (PPM) And 1033 NO...
What Would Cause My Truck To Measure 133 Hc (ppm) And 1033 No (ppm) And Fail Emissions
Asked by
ShawnaLu
·
10 ANSWERS
1991
CHEVROLET SILVERADO
1988 Chevy Silverado Emissions Failure Nox
I Failed The Emissions Test The Max Reading For Nox Is 4.5 I Failed With A 4.59. The Truck Had Been Parked For Aver A Year. I Put Some New...
Asked by
jim_maryrose
·
1 ANSWER
1988
CHEVROLET SILVERADO
1985 Chevy Silverado Failed My Last Two Ca (test Only...
2nd Of 2 Smog Test: @ 15mph/rpm-1012, %co2/meas-11.9, %o2/meas-0.3, Hc(ppm)/max-133, Gp-321, Meas-285, Co(%)/max-0.89, Gp-2.19...
Asked by
car427vette
·
3 ANSWERS
1985
CHEVROLET SILVERADO
VIDEO
How to Read Codes Chevrolet
Instructional repair video
1990 Chevy Silverado Fails NJ Slow Idle Emissions...
1st Test 522 Ppm Hc (limit 220) 5.41 Co% (limit 1.2), Co2% 11.5, O2% 0.1; High Idle Ok At 43ppm Hc, Co% 0.01, Co2% 13.6, O2% 1.4;...
Asked by
Scpgeolevski7238
·
1 ANSWER
1990
CHEVROLET SILVERADO
1997 Chevy Silverado Vac Hose Routing
Wont Pass Smog Code P0430. I Found A Vac Hose That Was Not Connected To Anything But Dont Know Where It Goes Because Part Of It Is Missing....
Asked by
gassombuddy
·
2 ANSWERS
1997
CHEVROLET SILVERADO
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
1990 Chevy Silverado PROM Chip In C1500 5.7L 5600...
Supposing 1 Of 3 Previous Owners Changed The Ecm But Got The Wrong Chip (say Out Of A Junkyard 7.4l) Now Causing Excess Fuel Injection...
Asked by
Scpgeolevski7238
·
1 ANSWER
1990
CHEVROLET SILVERADO
New Exhaust Pipes, New Catalytic Converters(2) Went...
New Exhaust Pipes, New Catalytic Converters(2) Went To Inspection For Emissions Test. Failed Hydrocarbons And Canon Monoxides. Mechanic...
Asked by
Poolshot
·
1 ANSWER
1989
CHEVROLET SILVERADO
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