Assuming you have throttle body injection, you may have a faulty/dirty injector. Give us more info such as the year, make, model and engine to help us help you.
Check the throttle body over carefully to find the leak. If a gasket is leaking then a new gasket set will stop the leak. If the body has a crack then you will need to replace the throttle body.
throttle body" fuel", cooling system separate. On a 3.8 engine the throttle body and upper plenum contain coolant. There is a gasket between them that could leak. More important the upper pleninum on the 3.8 engine often develops a leak near the EGR inlet which is in the area you are concerned with.
Check for a vacuum leak or sticking butterfly valve at the throttle body, or possibly a sticking throttle linkage or throttle cable.
Bad fuel line? Bad fuel filter? Bad fuel tank? Bad throttle body? Bad injectors?
The fuel does not go to the throttle body it goes to the fuel injectors.
You will need to remove the throttle body and replace the throttle body gasket. The throttle body gasket can be purchased at most auto-parts stores.
how to replace fuel injector throttle body in a 1988 nissan pathfinder 3.
In the throttle body, no but each fuel injector (there is two of them) has a filter.
TBI stands for throttle Body Injection. This is when The fuel injectors are mounted on the throttle body. Some mistake the throttle body for a carburetor So the answer to your question is the fuel system.
A throttle body spacer can save fuel as well as improve performance. This is done by adjusting the flow of air and fuel as it enters the intake.
A throttle body is fuel injected, A carburetor is not, Fuel injection responds better then a carb. and you have less problems with it. There is no comparison .
tbi is Chevy's abbreviation for Throttle Body Injection. In this type of fuel injection system fuel is squirted into the throttle body above the manifold.