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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  ...

Analyzing Ignition Misfires - AutoTap

www.autotap.com/techlibrary/analyzing_ignition_misfires.asp

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.

YoExpert.com | What could cause my car to misfire under load, like ...

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 ...

DIY engine misfire diagnosis and repair | Mobil™ Motor Oils

mobiloil.com/en/article/car-maintenance/how-to-do-it-yourself/diy-engine-misfire-diagnosis-and-repair

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.

Problem Engine Hesitation - Auto Diagnosis Repair Help

www.aa1car.com/library/problem_hesitation.htm

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  ...

Diagnose Engine Misfire - Auto Diagnosis Repair Help

www.aa1car.com/library/misfire.htm

The engine may shake so badly at idle that it causes vibrations that can be felt in ... Or, it may start and idle fine but then misfire or hesitate when it comes under load. ... All the firing voltages should increase during the snap-kV acceleration test, ...

Engine Misfire | Fix it yourself!

www.engine-misfire.com/

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 ...

What causes my motor to misfire under load? - Chevelle Tech

www.chevelles.com/forums/14-troubleshooting/310873-what-causes-my-motor-misfire-under-load.html

Mar 8, 2010 ... Hello, I recently purchased a 383 stroker. I am having a misfire under load problem. The motor only has about 20 miles on it. I know the ...

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 ...

Help please!?! Misfiring under hard accelaration [Archive ...

www.bimmerfest.com/forums/archive/index.php/t-433955.html

Misfiring under hard accelaration E39 (1997 - 2003) ... coils are parts that go wrong frequently and will cause a misfire under hard acceleration.

Popular Q&A
Q: What causes hesitation - misfire during acceleration on a Windsta...
A: Answer Replace the spark plugs wires and check for vacum leaks Answer The most common problem is loose\bad spark plug or wire. If that doesnt fix then it is pro... Read More »
Source: wiki.answers.com
Q: What would cause a misfire but only when the vehicle is under loa...
A: Bad plugs, bad plug wires, carbon build-up in the combustion chamber, incorrect fuel ratio, to name just a few. Consider a tuneup and a fuel system cleaner prod... Read More »
Source: wiki.answers.com
Q: Why does my truck misfire under acceleration its a.
A: Try some some fuel injection cleaner and check and make sure plug wires are in order. Read More »
Source: www.fixya.com
Q: What causes Engine Misfiring under boost only?
A: Start by cleaning the IDLE AIR CONTROL VALVE and throttle body to shOWROOM They FINE tune the AIR part of injection , and your FOOT only adds AIR to the engine ... Read More »
Source: answers.yahoo.com
Q: What would cause a 1999 Ford Expedition to cough and sputter then...
A: This sounds like it could be a simple "dead" or "fouled" sparkplug. Also could be a bad sparkplug wire. I would make a visual inspection of both or just replace... Read More »
Source: www.answers.com