The car engine's idle is somewhat like the heartbeat of a human. You can easily tell if there are problems by just listening to it. There are different idle speed problems like fast idle, slow idle, idling for a few seconds then stalling and/or rough idle are signs that something’s wrong with the engine of a car.
When you notice the same thing with your vehicle, you should immediately inspect, diagnose, and repair it. There are repairs that can be done by the car owner alone, but more often, a professional mechanic is required to sort things out.
Philkotse.com will help you sort out repairs that you can do on your own. We gathered several tips on fixing rough idle or stalling car.
Rough idle can happen in different weather conditions and temperature. The repair will actually vary depending on the temperature and weather conditions you are in.
Rough Idle How to Fix - Engine Stalls at Stop Signs
Rough idle can happen during cold temperatures. For example, it is a cold day and you stopped at the stoplight. You press on the brake pedal to stop, however, the engine started to idle very roughly then stalls.
But when you start the engine once again and drive the vehicle at higher speed, it's running fine or more smoothly. If that's the case, then here is what could be wrong and how to fix it:
You might have a faulty power circuit or accelerator pump
Inspect and replace the rotor, distributor cap, spark plugs, and ignition wires
It might be an incorrect setting of the ignition timing
Check your EGR valve regularly
When you experience the same situation as what you did in the cold, but this time, the engine is hot or warm, then the problem might be the same. The only difference is that the fuel pressure regulator of the car might be operating at very low pressure.
So, to fix these, you have to check the pressure of the fuel using a fuel pressure gauge. If needed, you will also need to replace the fuel pressure regulator of the car. Just a reminder, this job is not really a DIY procedure, but it can still be done on your own if you’re an experienced home mechanic.
Check the pressure of the fuel using a fuel pressure gauge
There are instances that the engine has already run long enough for it to become warm, but the idle speed still doesn’t come down to normal and still continues to idle at a fast speed.
You will easily notice it when the vehicle come to halt. In which you’ll have to press hard on the brake pedal to prevent the vehicle from moving. If this is the case, here are the things that could happen aside from the ones given above:
If fast idling happens, your car’s engine might be overheating
When you’re driving and everything is fine but when you release the gas pedal to push the brakes, the engine starts to shake or even stall, the problem might be the following:
It can be a serious vacuum leak
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When you experience idling issues, it sure is frustrating. However, you’ll be able to figure it out if you have some patience when troubleshooting the root cause of the problem.
If you’re in doubt of your own ability to check and repair the car, then you should seek assistance from a professional mechanic. They will help you address the problem as well as identify and fix other potential car problems aside from the existing idle issues.
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