Fuel Injection Throttle Body O-Rings

Replacement Parts > Air and Fuel Delivery > Gaskets and Sealing Systems

Fuel Injection Throttle Body O-Rings

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What is a fuel injection throttle body o-ring?

A fuel injection throttle body o-ring is a circular rubber seal that is used to create a tight seal between the fuel injection throttle body and other parts of the fuel delivery system.

What is the purpose of a fuel injection throttle body o-ring?

The purpose of a fuel injection throttle body o-ring is to create a tight seal between the fuel injection throttle body and other parts of the fuel delivery system, in order to prevent any fuel or air leaks.

How do I know if my fuel injection throttle body o-ring is faulty?

If your fuel injection throttle body o-ring is faulty, you may experience one or more of the following symptoms:

  • Engine misfires
  • Difficulty starting the engine
  • Decrease in fuel economy
  • Rough idling
  • Increase in exhaust emissions


Can a faulty fuel injection throttle body o-ring cause damage?

Yes, a faulty fuel injection throttle body o-ring can cause damage to other parts of the fuel delivery system, such as the fuel injectors, fuel lines, and fuel pump.

How do I replace a fuel injection throttle body o-ring?

To replace a fuel injection throttle body o-ring, follow these steps:

  1. Disconnect the negative battery cable.
  2. Disconnect the fuel injection throttle body from the intake manifold.
  3. Remove the old o-ring and clean the surfaces.
  4. Apply a small amount of engine oil to the new o-ring.
  5. Install the new o-ring and reconnect the fuel injection throttle body to the intake manifold.
  6. Reconnect the negative battery cable.


How often should I inspect my fuel injection throttle body o-ring?

It is recommended that you inspect your fuel injection throttle body o-ring every 10,000 miles or as needed.