Troubleshooting steps for common problems that cause engine hesitation, ... An
engine that hesitates, stumbles or misfires when accelerating or when it is under
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
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 ...
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
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 ...
The cause is typically a vacuum leak in the intake manifold, throttle body or
vacuum plumbing, a defective Exhaust ... Hesitation or misfiring when
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 ...
Nov 7, 2011 ... Missing under load is a symptom of bad plugs and bad coils. ... An EGR valve not
closing on acceleration demand. ... first inclination was toward a fuel pump or
filter, but with a consistent misfire on #1, it could be the plug, wire, injector or low
compression. ... Restricted fuel flow will cause those symptoms.
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 ...
www.ask.com/youtube?q=Causes Misfire under Acceleration&v=A9u9Kw-O1E4
Oct 18, 2012 ... 2007 Ford F-150 Lariat 5.4L Triton V8 misfiring and hesitation under acceleration
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