Spray the injector or injectors with throttle body cleaner, and gently clean the exterior and the tip of the injector with the brush. Do not insert any metal objects into the tip of the injector, as this will enlarge the nozzle tip, permanently damaging the injector. Replace the air filter assembly, and start the vehicle.

How do you know if your TBI injectors are bad?

What is the best way to clean fuel injectors?

How do you test a TBI injector?

Related Question how to clean tbi fuel injectors

Can you change a TBI to a carb?

The most basic things you'll need to convert from TBI to a carburetor is a carb and a matching manifold. Simply remove the old manifold, drop the new one in its place and install the carburetor.

What is better TBI or carb?

A TBI system won't necessarily make more horsepower than a carburetor. Even so, a TBI system will start, idle, run and respond much better than a carburetor, and will maintain a near perfect tune over a much broader range of temperatures and operating conditions.

Should I remove throttle body to clean?

You don't need to remove a throttle body to clean it. If you have a DBW throttle body, DO NOT MOVE THE THROTTLE PLATE MANUALLY TO CLEAN IT, especially with the key in the ON position. Have them depress the gas pedal all the way to open the throttle plate so you can gain access to do your cleaning.

Is it safe to drive a car with a bad fuel injector?

While fuel injector problems usually give warning, driving your vehicle for a long time with a clogged or faulty fuel injector can cause problems. Increased fuel consumption. A noticeable increase in tailpipe smoke and emissions. Rough idle and hesitation during acceleration.


just to clarify, TBI is EFI. efi stands for electronic fuel injection, which TBI most definantly is. most TBI trucks even had an EFI badge on the tailgate. basically the difference between TBI and other injection methods comes down to placement and number/size of the injectors, as well as firing method/timing.

Can you convert a TBI to a Vortec?

"Can I swap a Vortec motor in place of my TBI motor and does it just bolt in place?" Yes, you can swap a Vortec motor in place of a TBI motor, but no, it doesn't bolt in place.

Does throttle body have injectors?

With Throttle Body Injection (TBI), one or two injectors mounted in the throttle body spray fuel into the intake manifold. Fuel pressure is created by an electric fuel pump (usually mounted in or near the fuel tank), and the pressure is controlled by a regulator mounted on the throttle body.

What makes fuel injectors go bad?

Fuel injectors typically fail due to a buildup of contaminants such as carbon. Carbon build-up can cause a clogged or partially clogged injector, preventing the injector from closing all the way. Fuel injectors can also leak externally as a result of dry, cracked rubber seals, or cracks within the injector itself.

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