Knapp's Service Station - Mechanics | Roslyn, PA

"Where The Customer Comes First."

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Emission service Auto service Check engine light

Is Your Check Engine Light On?

Your On-Board Diagnostics (OBD) system warns you when there is a problem with your car; never ignore it as it could be a sign of impending danger!

• Catalytic converter repairs

• Exhaust gas recirculation (EGR) valve repairs

• Positive crankcase ventilation (PCV) valve repairs

• Fuel inlet restrictor repairs

• Air pump repairs

• Custom exhaust repairs

Our expert emission service includes:

When the "Check Engine" light comes on it's your vehicles way of signaling trouble. Don't worry but also don’t ignore it. It could also mean that your OBD has a problem, so don't take matters into your own hands; let the professionals at Knapp's Service Station in Roslyn take a look!


We give you a manufacturers' warranty on parts that we replace.

Get the maximum from your car

We are family owned and operated since 1956!


We care about your vehicle as much as you do! This is why we give our best at every service and provide you a warranty of 1 year on labor.