What to do if your vehicle cannot pass the emission test?
Direct any questions or problems you have to a resolution coordinator at the Inspection Station. Note: If your vehicle cannot pass the emission test, you can receive a two-year waiver from the emission inspection by presenting receipts for $958.60 in emission repairs from a certified mechanic to DC DMV.
What causes a vehicle to fail the inspection?
If there is a problem, the “Check Engine” or “Service Engine Soon” light may be on. If the light is on when you come in for inspection, the vehicle will fail the test. The Check Engine light is malfunctioning.
What do you need to know about an emissions inspection?
Each emissions inspection for gasoline-powered vehicles confirms the presence and connection of the vehicle’s required emissions control devices. This includes making sure that the vehicle’s gas cap is present, is in good condition, and fits properly.
When did New York start the emissions inspection?
The 1990 Federal Clean Air Act requires New York State to conduct an inspection program to help reduce harmful emissions from most passenger cars and light-duty trucks. The emissions inspection is done at the same time as the annual safety inspection.
What does the lean condition code p0174 mean?
What Does P0174 Mean? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7 parts air to 1 part fuel. When there are more than 14.7 parts air to 1 part fuel in the air-fuel mixture, a lean condition exists and code P0174 is triggered.
What causes a car to fail the emissions test?
More common trouble codes that cause vehicles fail on emissions test and make the Check Engine light coming on can found below. Even fouled or the worn out catalytic converter is the most cause failed on test, based on above data you will get a somewhat different picture, if all of the related codes by system or component to be combined.
What causes a car to have a misfire code?
The P0171 or P0174 misfire code is set usually caused by lean mixture, it can means the engine is getting too much air, or engine is not getting enough fuel, possibly through a leaky EGR valve or a vacuum leak. Some factors that cause random misfires will set code P0300 such as low fuel pressure or dirty fuel injectors.
What causes an EGR code to be misfired?
Defective DPFE sensor in the EGR system causing EGR codes are often occurs on Ford vehicles. Misfire codes P0171 or P0174 indicated the engine too much air and/or engine is not enough fuel (fuel mixture running lean).