However, the complexity of this system means that diagnosing issues can be challenging. When there are symptoms of a Bad Engine Control Module, such as erratic engine behavior, reduced fuel efficiency, or failure to start, the problem often lies elsewhere. In many cases, these common symptoms ...
Symptoms of a bad thermostat can be divided into two types:Thermostat stuck open: When the thermostat is stuck open, the engine temperature drops below normal when driving, especially on the highway in cold weather. A stuck-open thermostat can also cause a lack of heat from the heating syste...
Here, we look at how you can diagnose a bad thermostat. We cover the primary function of a thermostat, indicators of it failing, and detail how you can test or change it.What Does a Thermostat Do? The thermostat is a small valve that regulates the temperature in the engine by ...
A toxic smell of gas is one of thesymptoms of a bad muffler. An excessive amount of fumes coming from the engine bay could signal leakage in the muffler, cracks within it, a damaged catalytic converter, and more. This issue needs immediate attention because the nasty gases can spread in t...
The oil filter has the important job of filtering the oil that lubricates the components of your engine. As oil distributes via the engine, it gets contaminants as well as particles along the way.
If the serpentine belt is bad or snaps off, you may see several warning lights on the dashboard, or the car may fail to run. It can also cause a loss of power steering, create a lack of air conditioning or lead to a squealing noise. The engine can also overheat, or you may notic...
A leaky gasket also meddles with the idling of a vehicle. It either idles too quickly or stalls altogether. The car cannot regulate the idling speed due to the disproportionate air-fuel ratio. You will also hear some light pooping noises that follow the bad engine performance. This phenomenon...
and some of the smallest and often overlooked components, such as spark plugs, are vital. These electrical doodads are essential for your engine and car to start up and run, so if something goes wrong with them, trouble is sure to follow. Luckily, the symptoms of a bad spark plug aren'...
Following are the bad engine ground strap symptoms that you need to watch out for. Dimming or Flickering Lights Dimming orflickering headlights, whether they are interior lights or headlights, can be one of the initial indications of a faulty ground strap. When the ground connection is compromised...
There are several symptoms of a bad MAF sensor, and not all of them are immediately obvious: Illuminated Check Engine Light: Performance and circuitdiagnostic trouble codesmay refer directly to the MAF sensor, but fuel trim and misfire codes can also be linked to the MAF sensor. ...