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Best Auto Repair, North Chesterfield

10910 Southlake Ct Suite E North Chesterfield, VA 23236

804-893-4043
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Idle Talk about Engines (Causes of Rough Engine Idling)

Posted November 21, 2021 10:20 AM

When you slow down at stoplight, your vehicle's idle should be smooth as silk.  But what happens when the engine is missing or idling roughly? That's your engine's way of telling you, "Hey, I've got something wrong with me and if you don't get someone to find out what it is, I may not start the next time you turn the key."

You can help your service facility if you can describe the problem in detail.  Here's a list of things to make a note of:

  • When is the problem happening, when the engine is cold or when it's been running for a while?
  • Does the rough idling occur when I'm accelerating or when I'm going at a steady speed?
  • Does it happen at high speeds?  Does it happen low speeds? Does it happen at both?

Make sure you describe the problem in as much detail because it will help a technician diagnose the problem.

One of the first things they'll check is how the spark plugs are firing.  Modern iridium plugs are supposed to last a long, long time.  But they CAN eventually wear out.  Inspecting the firing end can help the technician figure out the root of the problem.  Corroded or worn out spark plug wires, too, can contribute to an idling irregularity. 

There are other potential problem spots, too.  The technician may check the ignition coil, timing piston rings, valves and cylinder walls. 

If the mixture of air and fuel isn't correct, that may affect how smooth your vehicle is running.  Your service facility is equipped with diagnostic equipment that helps them pinpoint the problem.  Once that idle is smoothed out to the way it used to be, you'll be the smoothest operator on the road.

804 Auto Repair
10910 Southlake Ct Suite E
North Chesterfield, VA 23236
(804) 893-4043
http://www.804automotiverepair.net



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, 11/12/2021
I LOVE this place!!! I expected to be there for hours getting my state inspection but it barely took an hour. They were friendly, professional, and fast. I will definitely go back for ANYTHING I need for my car!!!
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