Jeep 4.0L Index of Articles

Testing the engine compression on the 4.0L Jeep Cherokee and Wrangler is not difficult (especially since the spark plugs are easy to remove). In this tutorial I'm gonna'... [read more]

APPLIES TO: This fuel injector circuit wiring diagram applies to the following vehicles: 1997, 1998 4.0L Jeep Cherokee. This fuel injector wiring diagram... [read more]

APPLIES TO: This ignition system circuit wiring diagram applies to the following vehicles: 1993, 1994, 1995 4.0L Jeep Cherokee. This ignition system wiring... [read more]

APPLIES TO: This fuel injector circuit wiring diagram applies to the following vehicles: 1996 4.0L Jeep Cherokee. This fuel injector circuit wiring diagram... [read more]

This article will help you to diagnose the Pulse Width Modulated (PWM) Fan Relay on the 1999-2004 Jeep 4.0L Grand Cherokee SUVs... [read more] at: troubleshootmyvehicle.com

APPLIES TO: This fuel injector circuit wiring diagram applies to the following vehicles: 1993, 1994, 1995 4.0L Jeep Cherokee. This fuel injector circuit wiring... [read more]

Fuel Injectors rarely go bad, but when they do, they will cause the engine in your Jeep 4.0L Grand Cherokee (or Cherokee or Wrangler)... [read more] at: troubleshootmyvehicle.com

APPLIES TO: This ignition system circuit wiring diagram applies to the following vehicles: 1997, 1998 4.0L Jeep Cherokee. This ignition system wiring diagram... [read more]

The upstream Oxygen Sensor on your OBD II equipped Jeep 4.0L SUV can be tested, and in this article, I'll show you how in a... [read more] at: troubleshootmyvehicle.com

APPLIES TO: This ignition system circuit wiring diagram applies to the following vehicles: 1996 4.0L Jeep Cherokee. This ignition system wiring diagram includes... [read more]