How do you check a coil on a 2001 Jeep Cherokee?
Touch the center prong on the electrical connector with one of the leads and the first spark plug boot with the other. Your meter should read less than 2 ohms. Repeat this while touching the second lead to each spark plug boot. Replace the coil pack if the measurement is higher than 2 ohms.
How do you test a Jeep Grand Cherokee coil pack?
You can test the coil pack in your Jeep Grand Cherokee by measuring the electrical resistance of the coil pack with an ohmmeter. Put on your safety glasses and open the hood. Disconnect the negative cable from the battery and place it out of the way so that it will not make contact with the battery terminal while you work. Locate the coil pack.
Where is the ignition coil on a Jeep Wranglers?
If you own a TJ (Wranglers after ’97) or other Jeep with the coil-on-plug configuration there will be no coil or plug wires coming from the passenger side of the engine block. The coil in this article will be the one for the YJ, XJ style ignition systems. First of all make sure you have no engine codes stuck in the ECM.
Can a bad coil pack cause a jeep to misfire?
by Dustin Thornton. The 2000 through 2004 Jeep Grand Cherokee L6 4.0L 6-cylinder engines employ a coil pack as part of the ignition system. A coil pack converts the energy from your 12-volt battery into the 35,000 plus volts needed to fire the spark plugs. A bad coil pack can cause the engine to misfire.
How can I test the coil pack on my car?
Once the winding inside weakens or breaks, the problem is irreversible. However, you can test the coil pack on your car using a voltmeter. Park your car in a safe place and open the hood. Locate the coil pack in your engine by following the spark plug wires from the spark plugs; the wires are connected to the coil pack.
You can test the coil pack in your Jeep Grand Cherokee by measuring the electrical resistance of the coil pack with an ohmmeter. Put on your safety glasses and open the hood. Disconnect the negative cable from the battery and place it out of the way so that it will not make contact with the battery terminal while you work. Locate the coil pack.
by Dustin Thornton. The 2000 through 2004 Jeep Grand Cherokee L6 4.0L 6-cylinder engines employ a coil pack as part of the ignition system. A coil pack converts the energy from your 12-volt battery into the 35,000 plus volts needed to fire the spark plugs. A bad coil pack can cause the engine to misfire.
Is the Check Engine Light a bad coil pack?
The check engine light is one of the most common symptoms of bad Coil Packs. More often than not, your engines computer will be able to detect bad Coil Packs in your Cherokee. There are several misfire related trouble codes. P0300 – this trouble code indicates that there is a random misfire.
If you own a TJ (Wranglers after ’97) or other Jeep with the coil-on-plug configuration there will be no coil or plug wires coming from the passenger side of the engine block. The coil in this article will be the one for the YJ, XJ style ignition systems. First of all make sure you have no engine codes stuck in the ECM.