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TOW & ROAD
412 - 793
We repair all
Arrow Automotive Inspection Service...
Pennsylvania State Emission Test
Mechanics: All our mechanics are required to hold a valid
certification card issued by the DOT. This identification must be
carried by the servicing mechanic. You have the right to ask for
identification prior to starting your inspection. All our inspecting
technicians are listed and displayed, according to law, in the main
office here. Our inspection technicians are qualified, and have passed
to inspect customer vehicles, By law they must hold a valid PA.
driverís license for the correct class of vehicle. Both Safety
Inspection and Emission testing requires the mechanic be re-tested
state emission inspections (prior to 1996) were generally taken by
inserting sensors into the tail pipe of the vehicle. These sensors,
as crudes as they are, take samples from your engine exhaust very
much like those sampled today by modern engine technology. The information
is then relayed to the emission station computer and examined by a
software program that generates results for a PASS or FAIL
If you have any questions, please feel free
to contact us...
Pennsylvania adopted this inspection for all 1970 and newer
vehicles. Vehicles that were produced before the 1970 mandate, were
your vehicle is equipped with an OBD data-port located somewhere
inside the vehicle. Similar to the one shown here, these ports
transmit engine information that has been collected by the vehicle
on-board-computer. The technician plugs the emission interface
directly into this port. The information retrieved is sent to the
PENN-DOT receiving computer where your vehicle registration
information is held in a database. The PASS or FAIL results remain
in the database until such a time that this information is deleted.
That would be, after you transfer, trade or sell the vehicle.
It is interesting to note that mileage and other items are also
transmitted to DOT. You should be aware that any work done on the
engine, such as replace sensors or OB computer, you must operate the
vehicle for a set time before the data can be sent to the DOT
The EMISSION PROGRAM as defined by
Pennsylvania, is not required in all counties. If your vehicle is
registered in any one of these counties, you may be exempt. You will
also be exempt if you do not operate your vehicle for more than 5000
miles during any 12 month period. The rule only applies if you have
owned the vehicle for that same period of time.