Working Hours
  • Mon 7:00AM - 4:00PM
    Tue 7:00AM - 4:00PM
  • Wed 7:00AM - 4:00PM
    Thu 7:00AM - 4:00PM
  • Fri 7:00AM - 4:00PM
    Sat Closed
  • Sun Closed
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570-323-2168 | 201 Fleming St

Electronic Fuel Injection

Electronic Fuel Injection, South Williamsport, PA

Carbureted & EFI For Increasing Performance

High-Performance EFI Auto Repair in South Williamsport

The expert mechanics at Cupp's Auto Service know switching to fuel injection often improves the fuel efficiency and performance of older carbureted engines. In newer cars, replacing a single fuel injector with a multi-port fuel injector creates an intense, even flow of fuel on each cylinder when your engine needs it most. Feed your engine the fuel it needs with fuel pumps, fuel filters, superchargers, and turbochargers. Break out of gasoline only feed engines by adding a nitrous kit or cooling methanol injection kit.

To ensure the correct air to fuel ratio, Cupp's Auto Service can add a new stock-height replacement intake manifold, cold air intake, and fuel rails. Never run rich or lean with a hood scoop, high-performance air filter, and new O2 sensor. Call Cupp's Auto Service and talk to us about increasing your car's performance. When you want performance you need the auto repair experts at Cupp's Auto Service located at 201 Fleming St.

If you're ready to take your car or truck's fuel injection to the next level, Cupp's Auto Service is ready with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. From BMW to Audi to Corvette, Cupp's Auto Service has you covered.

Tuning Old School Carburetors For True Muscle

Your muscle car may be starving for air! Bring it to Cupp's Auto Service and find out. Because of operating losses in the intake runner and cylinder with newer unleaded fuels that do not fully vaporize in the combustion chamber, cars tuned to the manufacturer's specifications can run lean. Cupp's Auto Service can diagnose if you are actually running leaner than the manufacturer suggested ratio of 14.7:1 air to fuel mixture. Bring your classic car to Cupp's Auto Service at 201 Fleming St to tune the perfect air to fuel mixture and correct ignition spark for maximum power.

570-323-2168!


What Our Customers Are Saying

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Reasonable honest prices for quality work!

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Fair and honest!! My business was in a predicament and Dan was a true gentleman. Thanks again and good luck. Ian from Empire Rent a Car!!

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Mr.Cupp is a great guy..really helped me out in a pinch..super professional and does great work..would definitely recommend!!!

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I love this place every time I go there the prices are more than fair and quick friendly service.

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If you're searching for an honest mechanic, look no further. Cupp's Auto is great! My family has taken our vehicles here for years and I guarantee you won?t find better service. Dan is a true professional!

  • PA State Official Emission Station
  • PA State Official Inspection Station
  • Federated Auto Parts
  • Drive Clean Pennsylvania
  • Deka Batteries
  • Sirius XM Radio
  • ShopKey Pro
  • Car Care Aware
  • Call Us For Service: 570-323-2168