What happens when you need a new coil pack?
Usually, if a coil pack is bad, there will be a loss of fire or spark in one or more cylinders. This causes what’s commonly referred to as misfiring. Misfiring can cause drag on the crankshaft, and usually results in a very poor performing engine.
Do you need an ignition coil upgrade on a Jeep Wrangler?
Doesn’t matter. Engine performance mods are not that popular with the JK. $$ is better saved up and spend on gearing. Just treat it as a system. I’ve seen people waste money on high priced spark plugs to never really realize the gains because they were inefficient with the oem system.
What can cause a Jeep Wrangler to misfire?
There is more to your Wrangler’s ignition system than just the coil packs. There’s also spark plugs and plug wires. There are also non ignition related circumstances that can cause a misfire. That would include lack of fuel pressure, bad fuel injectors, or even a timing chain (or belt) that has jumped.
Can you change spark plugs on Jeep Wrangler?
I’m new to the jeep thing but grew up in the drag racing scene. Just treat it as a system. I’ve seen people waste money on high priced spark plugs to never really realize the gains because they were inefficient with the oem system. Spark box to coil to wires to plug. If you change from what the oem has then change the whole system.
Can a bad coil pack cause a bad spark plug?
It’ll get worse as they lose their ability to fire the spark plugs. Coil Packs take the place of the distributor and coil in older vehicles. They receive instruction from the engine’s computer on when to fire the spark plugs. The symptoms of bad coil packs are almost the same as bad spark plugs.
Doesn’t matter. Engine performance mods are not that popular with the JK. $$ is better saved up and spend on gearing. Just treat it as a system. I’ve seen people waste money on high priced spark plugs to never really realize the gains because they were inefficient with the oem system.
There is more to your Wrangler’s ignition system than just the coil packs. There’s also spark plugs and plug wires. There are also non ignition related circumstances that can cause a misfire. That would include lack of fuel pressure, bad fuel injectors, or even a timing chain (or belt) that has jumped.
I’m new to the jeep thing but grew up in the drag racing scene. Just treat it as a system. I’ve seen people waste money on high priced spark plugs to never really realize the gains because they were inefficient with the oem system. Spark box to coil to wires to plug. If you change from what the oem has then change the whole system.
What’s the ignition timing on a Jeep Wrangler?
But one of the largest pieces of this four-cycle puzzle that’s sometimes ignored is ignition timing. For optimal performance and reliability, a few lessons in ignition timing can go a long way. Though modern Jeep Wrangler ignition systems have much in common with their predecessors, a few things separate each system from each other.