There is a lot of misinformation surrounding fuel injector upgrades. Changing fuel injectors is not a “plug-and-play” performance upgrade, such as installing a low restriction air filter. It’s something that requires knowledge about how the fuel delivery system works. In fact, upgrading fuel injectors may actually decrease the engine power if…
Why Doesn’t Adjusting Idle Mixture Screws Make any Difference? The idle mixture screws adjust the amount of air/fuel mixture that goes up to the venturi at idle. When adjusting the screws doesn’t change the RPM then it means there is a problem with either the air, or the amount of…
Choke Opens Too Fast It might be the choke was not set tight enough when cold. When cold, the choke valve should take a small amount of pressure to open it using your finger.Did the hot wire get hooked up to something that is 12v only when the key is…
Marvel Schebler carburetors used three different floats. How to select the correct float? Watch a video to see how to identify your float: Which float can easily be identified by measuring the length of the float bowl. Refer to the illustration above for the different sizes. If you know the…
1992-2002 Relieving Fuel Pressure This is a must do anytime you remove, or open any injection component. Remove gas cap to relieve any pressure in the gas tank. 4.6L engine require the intake manifold cover be removed. There is a fuel pressure test port which is located on the fuel…
1992-1995 Honda Civic Before removing any component on a fuel injection system, the fuel pressure should be released. Use safety glasses and have a fire extinguisher on hand. Disconnect the negative battery cable. Remove the gas cap to relieve any pressure in the gas tank. You will need two wrenches….
A – 0D106, B – 0D86