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Problem 4: Engine Hesitates, Stumbles, Lacks Normal Power


Troubleshooting steps for common problems that cause engine hesitation, ... An engine that hesitates, stumbles or misfires when accelerating or when it is under  ...

What could cause my car to misfire under load, like climbing a hill ...


A misfire under load complaint can usually be broken down into 2 categories. The "soft" misfire, often called a surge, is commonly associated with fuel related ...

Diagnose Engine Misfire - Auto Diagnosis Repair Help


Spark plug fouling is a common cause of ignition-related misfires. ... misfire codes and a P0401 EGR code, the fault is likely carbon buildup under the EGR valve. .... All the firing voltages should increase during the snap-kV acceleration test, ...

Engine Misfire | Fix it yourself!


If the engine is misfiring, it can cause all sorts of problems and leave you ... but also because the throttle plate opens when accelerating causing ignition coil or ...

www.ask.com/youtube?q=Causes Misfire under Acceleration&v=Nsm9SekQVHw
May 21, 2013 ... I still have not found the issue. Ive tried: Checked spark plugs, Good. Replacing distributor, Replacing spark plug wires, Seafoam & Fuel injector ...

Engine Misfire/Sputter - Discussion on Topix


Jan 25, 2011 ... I want to let everyone know the cause of my problem was bad spark ... When accelerating very gently/easy up a incline,it felt like a miss or chug.

Misfire and troubleshooting the engine - The MGA With An Attitude


If it still misfires under acceleration or at higher speed with richer mixture, then it has to be a spark problem. This is not what causes it to run bad when cold, but a  ...

Random-Misfire Page


The cause is typically a vacuum leak in the intake manifold, throttle body or vacuum plumbing, a defective Exhaust ... Hesitation or misfiring when accelerating.

My 2006 Pontiac Grand Prix Has A Misfire When Accelerating


An engine misfire under load like you describe is usually caused an ignition system component. I ... cause a misfire at idle, but can also when accelerating.

Rough Running Engine - James on Engines #2 - Bell Performance


Apr 21, 2015 ... The common causes for rough running in an engine are: ... air/fuel condition will result, causing a rough idle from the resulting engine misfire. ... noticeable when accelerating the vehicle, which causes a higher fuel demand.

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What would cause a misfire under acceleration? | Reference.com


An engine misfires under acceleration due to faults in the spark plugs, plug wires or coils, or a weak fuel pump. Broken rods, pistons or crank bearings, cooling ...

Problem Engine Hesitation - Auto Diagnosis Repair Help


Hesitation is when your engine misfires, stumbles or lacks power when you ... lean causing a misfire that produces a hesitation or stumble when accelerating or  ...

DIY engine misfire diagnosis and repair | Mobil™ Motor Oils


There are other more dire causes: computer or wiring problems, breakage in the ... This engine misfire didn't arrive only under load: It could as well show up at idle ... Of course, a misfire while accelerating meant the Toyota V6 got even slower.