What would cause my Jeep to sputter?

There are other factors that could also cause sputtering and those include: Bad Fuel pump. Clogged Fuel Filter. Rusty Fuel Tank. via

What causes sputtering at low RPM?

If your car hesitates or sputters at a low RPM, you could be dealing with an issue with your engine's air filter or there could be an issue with your fuel filter, injector, or pump. The best thing you can do is take your car to a mechanic so they can properly diagnose the issue and repair it. via

Why is my jeep idling rough?

The most common reasons a Jeep Wrangler has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. via

Why is my Jeep misfiring?

Multiple misfires can be caused by many reasons from a faulty ignition system, fuel system, or internal engine failure. The most common reason for this to happen is faulty or worn-out spark plug coil packs, especially if it's been a while since you had a tune-up. via

What should a Jeep idle at?

Jerricho said: Most cars should idle around 650. The allowable RPM range for emissions testing at idle here is 450-1100, so you are basically at the absolute bottom of that range. Bump it up a bit, mine really likes to idle at about 600. via

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