The problem may never become so serious that you’ll have to see a professional mechanic, but it could cause drivability issues. In these ports, oil deposits are washed away to prevent major build-up. This differs from other engines that spray the fuel into intake ports.

In the 2.4L Ecotec engines, carbon buildups are common because the fuel is sprayed directly into the cylinder. While this issue may not be bad enough to establish a class action lawsuit, it is a major issue with these GM engines. Take your car to a mechanic if you detect any of these symptoms.

If your timing chain is failing, you may notice loud rattling sounds, poor vehicle operation, or misfires. The specific issue with Ecotec timing chains is the upper bolt or the tensioners. While timing chain issues affect many cars, it’s apparently a little too common with General Motors. This is to guarantee the car’s valves open and close at the correct time. The purpose of the timing chain in a car is to synchronize the rotation of the camshaft and crankshaft. Only manufacturing defects are covered under the GM warranty. Many lawsuits regarding oil consumption have been ignored by GM due to them claiming it’s traced back to issues with design, not manufacturing. This 4-cylinder engine took several quarts of oil every month or so for some consumers. One of the biggest complaints regarding the GM 2.4L Ecotec engine is the way it burns through large amounts of oil, especially in cars such as the Chevy Equinox. Make sure to keep reading if your car contains this engine type. Are you wanting to buy a car with a GM 2.4L Ecotec Engine? Proceed with caution.īelow is a guide on common Ecotec engine problems to keep an eye out for. If you’re buying a new car, take time to research the track record of your potential car’s engine as well as the PA lemon law and NJ lemon law. Otherwise, it’s expensive to replace them. These days, new car engines cost anywhere from $2,500-$4,000.īecause an engine is such a vital part of the car, it’s important to understand how they work and how to care for them.

Ecotect cost