Working Hours
  • Mon 7:30AM - 5:30PM
    Tue 7:30AM - 5:30PM
  • Wed 7:30AM - 5:30PM
    Thu 7:30AM - 5:30PM
  • Fri 7:30AM - 5:30PM
    Sat 7:30AM - 3:30PM
  • Sun Closed
    Temporary Hours
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314-837-6250 | 14241 New Halls Ferry Road

Electronic Fuel Injection

Electronic Fuel Injection, Florissant, MO

Carbureted & EFI For Increasing Performance

High-Performance EFI Auto Repair in Florissant

The expert mechanics at Ronsick's Auto Care 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, Ronsick's Auto Care 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 Ronsick's Auto Care and talk to us about increasing your car's performance. When you want performance you need the auto repair experts at Ronsick's Auto Care located at 14241 New Halls Ferry Road.

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

Tuning Old School Carburetors For True Muscle

Your muscle car may be starving for air! Bring it to Ronsick's Auto Care 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. Ronsick's Auto Care 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 Ronsick's Auto Care at 14241 New Halls Ferry Road to tune the perfect air to fuel mixture and correct ignition spark for maximum power.

314-837-6250!


What Our Customers Are Saying

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Brought my vehicle in thinking I had a tie rod problem which would be expensive but thanks to Ronsicks Auto they checked out my vehicle and found it was not the tie rods but something different. They saved me $500 + in repairs. I like their honesty and prompt service. They have my business going forward. The staff is very professional and polite.

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Exceptional service! The team is very caring, attentive to detail, and cost if service is always reasonable price, The strong customer care culture is endorsed by all employees and is clearly demonstrated by the owner, Steve Sr and Jr. Thanks for caring!

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Had my car in for a state inspection and to find the source of a squeak in the rear of the car. I was told that a strut was the source of the noise & to take it back to whoever did the installation because it should still be under warranty. Very honest workers.

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Service was fast and the staff was super awesome! It's always nice to walk in and see Steve. I never fell pressured, service and recommended repairs are always explained. Any recommendations are given in a written estimate which is helpful. Thank you!

  • ACDelco
  • Jasper
  • O'Reilly Auto Parts
  • AAA Approved Auto Repair
  • State Inspections
  • ASE Master Technician
  • Nexen Tires
  • Gateway Vehicle Inspection Program
  • Car Care Aware
  • Call Us For Service: 314-837-6250