Troubleshooting steps for common problems that cause engine hesitation, ... An
engine that hesitates, stumbles or misfires when accelerating or when it is under
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 ...
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, ...
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 ...
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.
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
The cause is typically a vacuum leak in the intake manifold, throttle body or
vacuum plumbing, a defective Exhaust ... Hesitation or misfiring when
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.
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.