The failed weld means that the control arm assembly will fail, leading to the separation of the construction and possible crashes. The jarring ride of the Trax indicates the suspension is taking a beating, which leads to the issue, the failure of a weld on the control arm assembly. Such a ride puts added stress on suspension pieces, and if there may be parts that are predisposed to breaking, such as the front control arm assemblies, then the ride could make the recall a likelihood. Indeed, each of this year’s recalls speaks to what could be a vital part of the issue, a harsh ride. Reviewers found this fuel economy troubling. Instead, the powerteam is hard-pressed to return 25 mpg. The sleekly rounded Trax looks as if its fuel economy should be in the upper 20s to low 30s. Also, mileage isn’t up to what you would expect. Imagine a subcompact SUV that takes what seems like an eternity to achieve cruising speed, and you have the performance of the Trax. Its performance leaves a lot to be desired. Its 1.4-liter turbocharged powerplant seems to strain most of the time. With a relatively short wheelbase, the Korean-made subcompact SUV seems as if it should be able to handle most roads well, but, according to various reviews, the Trax looks rather primitive as compared to its corporate cousin, the Buick Encore. The rather jaunty-looking Chevy subcompact SUV looks as if it should be a nimble-handling vehicle. So far, Chevrolet has recalled nearly 300,000 of the unique-looking SUVs.Īt issue is the Trax front suspension. If the decline in efficiency is accompanied by the vehicle pulling to one side, the brake system should be inspected immediately.For the second time in six months, Chevrolet’s subcompact SUV, the Trax, has been recalled for suspension issues that could lead to crashes. In addition, any brake issue can make the vehicle dangerous to drive. Stuck Brake Caliper: A stuck caliper on a disc brake or a stuck shoe on a drum brake can lead to a serious decline in gas mileage. Fuel filters need to be replaced periodically. The fuel filter screens out contaminants in the fuel, and over time it will become clogged. If this issue is not addressed it will lead to a rough, idle, sputtering and stalling.Ĭlogged Fuel Filter: A clogged fuel filter will also cause problems with gas mileage. This will lead to a decline in gas mileage. A bad fuel pump can lead to a rough running engine because it is not getting enough fuel. The fuel pump can become clogged or malfunction. The fuel pump pulls fuel from the gas tank to the fuel injectors. Checking the tire pressure and have the alignment checked on regular basis can help prevent this problem.ĭefective Fuel Pump: Fuel delivery issues can drastically affect fuel efficiency. Misaligned Tires: Tires that are low or out of alignment can lead to a drop in fuel efficiency. A dirty airflow sensor will degrade fuel efficiently and lead to a rough idle and even stalling as the problem progresses. It delivers that information to the vehicle's computer, which crunches the numbers and then delivers the proper amount of fuel to the air in the vehicle. Malfunctioning Mass Airflow Sensor: A mass airflow sensor detects the amount of air coming into the fuel injection system. This can lead to a lack of power as well as a big decline in fuel efficiency. If they are dirty or working incorrectly, it can cause the engine to misfire, leading to poor engine performance. As it progresses, the injectors may have to be replaced.īad or Dirty Spark Plugs: Spark plugs ignite the fuel in the combustion chamber. If caught early, simply cleaning the injectors can solve the problem. This can lead to a drop in fuel efficiency as well as slow acceleration and the car not having enough power. Over time the fuel injector system can become clogged. It can also lead to failed emission tests and a rough idle.ĭirty Fuel Injectors: Fuel injectors spray fuel into the cylinders where it is mixed with air and ignited. If the sensor is dirty or failing it can lead to a drop in miles per gallon. The data is used by the vehicle computer to adjust the amount of fuel entering the engine. Service type Car is getting worse gas mileage Inspectionĭirty Oxygen Sensor: An oxygen sensor measures exactly how rich or lean the exhaust gases are when they leave the combustion chamber.
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