When the light dimming happened,what was the rpm?at a stop light? This problem likes to come and go, and usually happens during trips lasting more than an hour. We $, !$4.763.22:ASF:=N>22HbINVX]^]8EfmeZlS[]Y C M Y K What setting are you running your Edge on? The fix: Have a professional adjust ignition timing. We recommend performing a tune-up first to see if that resolves the problem. /Title popular issues and how to fix them, EV's also have surging issues which we address Engine surging is different from a difficult start or a no-start problem. The. When driving a Chevy truck, it can be a frustrating experience when the vehicle begins to surge. Vacuum leaks most commonly occurs in the hoses, which is most prone to wear and tear due to the under-hood heat from the engine. 5 0 obj In attempting to adjust, the Electronic Control Module injects even more of the bad gasoline to rebalance the air-fuel ratio. truck surging when driving | Chevy and GMC Duramax Diesel Forum Often, an engine that is surging can be diagnosed without much trouble with a bit of testing. There can be many causes for engine surge, and they may vary from one car model to the next. Failing spark plugs can cause more than just surges or misfires. It doesnt seem to be fuel related. Rotors, Pads & Additional Parts, P0017 Code Meaning, Causes, Symptoms (& How To Fix), 7 Reasons Your Engine Makes A Ticking Noise & How To Fix It, 6 Reasons Your Engine Oil Smells Like Gas & How To Fix it, 5 Reasons Why Your Check Engine Light Is On But No Codes, Low Oil Pressure At Idle Common Causes & How to Fix, P0456 Code What It Means and How To Fix It, P0496 Code Meaning, Causes, Symptoms (& How To Fix), Electric Parking Brake Problems Causes & Fixes, Oil Coming Out Of Exhaust Causes & Fixes, 10 Symptoms Of A Bad Fuel Pump & Replacement Cost. What Is The Arrow Symbol On The Fuel Indicator? While driving at a steady speed, the engine seems to "speed up" slightly or it seems to miss and buck. I was going 65 mph when this happened. For a better experience, please enable JavaScript in your browser before proceeding. Not only will this cause engine RPM fluctuations, but it can also lead to a delay in accelerating. In some cases, you can fix the root of the issue in your own garage with available tools. If this were a gas motor I would say it's an o2 sensor or speed sensor on the tranny. What causes this condition and should you worry about it? Idles fine. A clogged fuel filter will reduce fuel pressure, prompting the Electronic Control Module to open the fuel injectors wider to maintain the same amount of flow. Most drivers can notice car surges whenever they see the tachometer alternating and feel soft jerking movements with the car. Additionally, you may need to inspect and replace faulty parts in the engine such as the timing belt, distributor cap, and rotor.

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