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The sluggish take off is most likely due to a misfire. Pull the spark plug wire on cyl#3 and hold it over an engine ground. It should spark constantly with engin cranking/running. If spark is present..... most likely a bad spark plug. However, there are many more things that can attribute to a misfire but this is the most common
why not say the code, let us decide what they mean.
P0300 code, in fact post all DTCs not just one if more......!!!
this code means MISFIRE< (that sluggish is that , misfiring)
cause by bad COMBUSTION.
1: bad spark ever to a tuneup? ever?
2: bad compression on the P030x (what is x) cylinder.
3: bad injection to P030x cylinder.
you need to repair no 1 cyl. misfire it will misfire when engine load is present. if you want to test it .push brake pedal engine running and shift into forward gear and with the other foot raise rpm to 2000rpm you will feel the misfire
hope it helps
Cylinder misfiring hapens when ignition coil is bad and bad spark plugs.
System to lean is usualy when fuel pump lose pressure or you have blown gasket on intake manifold. Check fuel pressure first.
When EGR flow is insufficient there is EGR valve, sensor and solenoid, could go bad., so you have multiple codes P0171, P0304,P0306, P0401
#1 is the egr position sensor #4 Is for single cylinder misfire so this could be the coil or a bad plug or wire ..but with fords should check for a vacume leak that can cause a misfire to .....#2#3 are 02 sensors before i would change them i would check the mass air flow sensor ..Hope this helps
if the light is flashing it most like hasly some sort of misfire or converter failure, p0171 and p0174 is lean bank 1 and 2, replace you upper and lower plenum gaskets, while they have they off have they replace your ignition coil, plugs and wires, windstars are known for 2 things, lean codes,(plenum gaskets) misfire(bad ignition coil)
might be the coil pack is bad, wires, plugs, o2 sensors, dirty injectors, catalic converter ( only if you smell rotten eggs ) . cylinders are misfireing.
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