Are you having a problem with your car? If it is related to your engine idle, then don’t fret. Here are a couple of tips on how to repair car engine idle all on your own. By troubleshooting your car and eventually being able to repair your car on your own, you will be able to save yourself a couple of bucks. Not only that, but you will feel better about yourself being able to repair car engine idle problems on your own.
When measuring your car’s engine health, a good way to measure it is the engine idle. More often than not, the engine’s idle speed and quality is affected when there is something wrong with your car’s engine. When there’s a problem with your engine, bad idle, low idle, slow idle, fast idle, and lumpy idle are just among the symptoms that you should be looking at. These should be checked, diagnosed and repaired as soon as possible. Thus, below are some of the most common symptoms that go with these problems mentioned above. At the same time, following these symptoms are the possible causes and fixes that will help you how to repair car engine idle.
Symptom
Your car engine is not idling smoothly. When the engine is cold or has just been started, the car stalls during idle. When you take off your foot from the gas pedal while the engine is still cold, it stalls or runs very rough. On the other hand, when you’re running at higher speeds, it is running just fine.
Possible Causes and Fixes
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For cars that have a carburetor, the problem is probably caused by a bad power circuit or an accelerator pump. To fix this, you should simply replace the accelerator pump or replace the carburetor itself.
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There could be a leak in your vacuum lines is another possible villain. To fix this problem, check the vacuum lines in your engine and then replace them with new ones.
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It could be caused by an ignition problem. You will need to check on the following: the distributor cap, the ignition wires, the spark plugs, and the rotors. If any of these seem damaged, you will have to replace them.
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Another probably reason causing your problem is that the ignition timing was set incorrectly. Of course, to fix this, an adjustment must be made to the ignition timing.
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The computerized engine control system could also be faulty. So to check this, you will need a scan tool and repair the circuits and components. However, this is something more advanced and in which case, going to your auto mechanic is highly suggested.
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Your fuel injectors may already be dirty causing your engine idle problem. Thus, simply clean or replace fuel injectors.
Symptom
Again, the engine is not idling smoothly even when the engine is warm and no longer cold. On idle, it also stalls or runs very rough even if your engine is already warm or hot.
Possible Causes and Fixes
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Again, it can be caused by a bad accelerator pump. Simply replace it or your carburetor.
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Another problem is a vacuum leak. Test your vacuum lines and replace them if necessary.
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Your fuel pressure regulator is probably set to low pressure. Make sure to check your fuel pressure with a gauge and replace the fuel pressure regulator. On the other hand, this is not an easy task and a visit to your local auto repair center is recommended.
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Your idle speed may be set incorrectly. To fix that, simply set the idle speed according to your car’s specifications.
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Your car’s EGR could be worn out. Simply replace the EGR valve to fix the problem.
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There can also be mechanical problems on your engine that is causing the issue. Check the compression to determine the condition of your engine.
