This can get expensive in a hurry, however by judiciously changing gear ratios in the differentials, using an overdrive transmission (most later model Jeeps come with overdrive trannies), or installing free wheeling hubs on the front axles, you can get some mild improvement. Also, the symptoms are almost exactly the same as bad/clogged fuel filter. An example would be the difference in shape between a FedEx Van and a Corvette...one a box shape (like a wall) and the other sleek like a wedge (aerodynamic). Run factory or only slightly larger tires with lighter alloy wheels. Hybrids, Diesels, and Alternative Fuel Cars, Tips for Hybrids, Plug-in Hybrids, and Electric Vehicles. You have just added 500 to 1000 lbs. Post Reply. If there is anything you would like to add, please leave a comment below. This makes telling if you have a bad fuel pump vs bad fuel filter very challenging. If your car isn’t starting at all, and you hear the fuel pump prime that is usually a good indication that the pump is working to some capacity. It is a known fact that, all things being equal (i.e. Discussion in 'General Jeep Discussion' started by Spartan13, Dec 6, 2017. Click here to view all the Jeep Patriots currently participating in our fuel tracking program. Typically, if you are heading up a hill (or accelerating) the engine may start to feel like it is just running out of steam. The other way is if the injectors are leaking. If your Patriot is difficult to start, a bad fuel pump would probably not be the place to start looking, especially if you are’t getting a fuel related trouble code. This website is administered by Oak Ridge National Laboratory for the U.S. DOE and the U.S. EPA. There’s always more than one, and one going bad is enough to make a noticeable impact on the drivability of the vehicle. Before taking anything apart, check to see if your engine’s computer has any trouble codes saved in it. If the injectors are clogged you’ll need to have them cleaned by a professional. Use our handy tool to get estimated annual fuel costs based on your driving habits. Average rating from customers who received a Car is getting worse gas mileage Inspection. There are two main ways that your injectors can go bad. Cons. The first is for them to become clogged, dirty, or unresponsive. … For example most people do not understand why something as small as the Jeep Wrangler can get such lousy mileage (roughly 13 to 18 mpg depending upon how and where it is driven).. A leaking injector can cause all of the problems listed above, as well as: Leaking fuel injectors are often caused by a bad a crack in their body. Th... ... © 2020 Fuelly.com - All Rights Reserved. Parts and Accessories If you do end up needing to replace the injectors, they are somewhat affordable. It is a known fact that, all things being equal (i.e. Find a fuel efficient vehicle that meets your needs. Instead, we’d recommend taking a look at the ignition system first. Another way to improve mileage is to reduce overall weight as much as possible. 2016 Jeep Patriot MPG Based on data from 94 vehicles, 7,059 fuel-ups and 1,650,822 miles of driving, the 2016 Jeep Patriot gets a combined Avg MPG of 22.86 with a 0.08 MPG margin of error. Your Jeep will be more functional and look cool too! Sometimes when there is low fuel pressure, you may also get an oxygen sensor related trouble code as well. driving style) the two most significant factors affecting your rig's gas mileage are aerodynamics (amount of wind resistance while moving forward) and overall weight of the vehicle. Leaking fuel injectors are often caused by a bad a … Keeping an open ear can save you from getting stuck somewhere with a bad fuel pump.