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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 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 ...

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 ...

Engine Misfire | Fix it yourself!


If the engine is misfiring, it can cause all sorts of problems and leave you ... the gas (under a load), but also because the throttle plate opens when accelerating ...

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.

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 ...

Misfire and troubleshooting the engine - The MGA With An Attitude


Oct 31, 2005 ... 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 ...

My Volkswagen Eos misfires when I accelerate quickly but not when ...


an engine misfiring under strain can be literally a myriad of issues. There's no definitive method ... What could cause this? ... Eos has a clever ECU and when plugged into diagnostics should be able to tell you what is failing under acceleration.

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.

How to Understand and Diagnose Misfires - Taurus Car Club of ...


Nov 12, 2012 ... A vacuum leak can cause a rough idle, misfire, and poor fuel economy. .... If the O2 reading is normal at idle but lean under acceleration, then ...

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Analyzing Ignition Misfires - AutoTap


A few misfires are to be expected under these conditions, and should cause no ... or run rough, stumble when accelerating, waste gas and fail an emissions test.

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.