Hello my fellow Jeepers! What is the best exhaust system for Jeep Wrangler YJ? Well, that depends are you wanting a new stock replacement exhaust or a high performance system to get more power and better fuel mileage? There are so many choices is can be confusing and overwhelming! I have been in the game…
Jeep Wrangler YJ Fuel Pump access is no easy task. You have to drop the tank to get to the fuel pump and sending unit. If the tank is full of fuel that just makes matters worse. Its bulky, heavy and very cumbersome to deal with. !!!! DISCLAIMER !!!! MAKE SURE FUEL TANK IS REMOVED…
IAT sensor (Intake Air Temperature) basically monitors the temperature of the air coming into the engine. The PCM uses this temp information to adjust the air/fuel based on the air temperature/density. IAT Sensor test on the Jeep YJ Where are TPS Sensors located? On Jeeps the sensor is located in the intake manifold toward the…
Jeep troubleshooting will show you how to get the DTC from the Power Control Module. Brief description of each sensor function, where it is located on your Jeep and possible reasons they go bad. Best of all a Step by step of how to test each sensor and changing it out if needed. Don’t be…
Jeep fuel gauge problems? Read around on the internet and you will see that many YJs and XJs have this issue. Especially ones that have been wheeled a lot. All the dust, dirt, water and mud get all caked into the plugs causing connection issues. Which leads to the most common fix for the gauge…
Crankshaft Position Sensor on the Jeeps (4.0 & 2.5) reads a set of slots that is spinning on the flywheel. These slots cause the CKPS to send a pulse to the Power Control Module (ignition computer/brain box) indicating engine speed. Also, the PKCM uses this pulse signal to set ignition timing and supplying the tachometer…
Coolant Temperature Sensor monitors the temperature of the water in the engine. The PCM uses this temperature reading to adjust the fuel injection and timing. In some cases, the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. Coolant Temperature Sensor Test for the Jeep Wrangler YJ…
How do I change the Camshaft Position Sensor on a Jeep Wrangler YJ? The camshaft position sensor is located on the passenger side of the engine down low inside the distributor cap. You remove the distributor cap and rotor button to gain access to the CPS. What does a Camshaft Position Sensor do? A Camshaft…
How do I change the fuel filter in a Jeep Wrangler YJ? To change the fuel filter in a Jeep Wrangler YJ it really depends on what year it is. Jeep Wrangler YJ from 1990 and older the filter is located on top of the engine by the carburetor and air filter. If your YJ…