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Problem 4: Engine Hesitates, Stumbles, Lacks Normal Power

www.autotap.com/problem4_engine_hesitates.asp

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

www.reference.com/vehicles/would-cause-misfire-under-acceleration-1e2de51070a13278

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 ...

auto-repair.yoexpert.com/troubleshooting/what-could-cause-my-car-to-misfire-under-load-like-758.html

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!

www.engine-misfire.com/

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

www.random-misfire.com/

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

mgaguru.com/mgtech/care/cf106.htm

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 ...

www.quora.com/My-Volkswagen-Eos-misfires-when-I-accelerate-quickly-but-not-when-I-accelerate-slowly-What-could-cause-this

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

www.greatautohelp.com/pontiacanswers/grand-prix-2006-misfire-chugging-when-accelerating.html

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 ...

www.taurusclub.com/forum/98-solutions-common-problems-how-articles/173490-how-understand-diagnose-misfires.html

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

www.autotap.com

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

www.aa1car.com

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

mobiloil.com

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.