Why does the Jeep Wrangler not burn as much fuel?
The JK’s engine doesn’t need to burn as much fuel if it’s keeping a consistent speed as it does to accelerate. So if you’re keeping a steady speed this feature basically shuts down two cylinders in your engine, providing better fuel economy.
How does fuel injection work on a Jeep Wrangler?
Enter the 1991 YJ. Though it is almost identical to earlier YJ Wranglers the engine were instead fed with fuel injection. Fuel injection works much the same as a carburetor. Its design is to combine fuel and air and deliver it to the engine.
How to test the crankshaft position sensor ( Jeep 4.0L )?
How To Test The Crankshaft Position Sensor (1994-1996 4.0L Jeep). Checking that the fuel pump is delivering fuel to the fuel injectors is not that hard on your 4.0L equipped Jeep since the fuel injector rail comes equipped with a Schrader valve (this is the valve to which you can connect a fuel pressure gauge).
Why does my Jeep 4.0L have no spark?
It’s almost impossible for all 6 COP ignition coils to fail at the exact same time… so the most likely cause for this no spark condition is a bad crankshaft position sensor. But before you go out and replace the crank sensor, you need to test it (to make sure it’s fried).
Is there more gas in a 1997 Jeep Wrangler?
Yes they use a little more gas but it is also the fact that they have a smaller sized gas tank. This Jeep will get up to speed and has plenty of pep. I have many confuse with my jeep with way newer models.
How does a supercharger work on a Jeep Wrangler?
A supercharger works by compressing air straight into your engine for an immense increase in bang, it’s easily one of the best Jeep JK performance upgrades available. With great power comes great responsibility, and with any one of these performance upgrades (or all), you’re responsibility is to enjoy them as much as possible.
What kind of engine does a Jeep 4.0 have?
We carry expedient Jeep 4.0 inline 6 crate engine options, ATK replacement engines, high performance stroker engines and more in a variety of styles and finishes. Having trouble deciding on the right product? Our team of service professionals is standing by to deliver skilled support.
What should I do about my Jeep Wrangler engine?
The more air your engine pulls in, the more power it can put out. One of the most valuable Jeep Wrangler engine upgrades can be installing a bigger throttle body, the larger unit pays off in big ways by delivering axle-twisting torque, noticeable horsepower gains and super-speedy throttle response.