It is strictly a personnel decision but I'd prefer to stay with stock parts, they Are the best.
SOURCE: 97 ford explorer 5.0 coil pack& plug wire diagram
Go to this web site for the info you need
http://www.moddedmustangs.com/reference/firing-orders.php
SOURCE: coil pack keeps going bad,
Your problem sounds like an intermittent short in the power feed to the coil pack from the EEC module
SOURCE: p0301 trouble code
The misfire is detected by the misfire monitor as a slight change in
engine speed which the PCM calculates back to a particular cylinder.
The monitor is active continuously, but associates problems into 3
types. Two of the types are monitored on successive trips. The first
trip the monitor detects a misfire it sets a pending code but not the
MIL light. If on the second trip the same problem occurs the DTC code
is set as current problem and sets the MIL light on. The MIL will stay
on untill the DTC is deleted. The remaining type is a most sever case
and signals the possibility of cat damage. In this case the misfire
monitor identifies the problem and the PCM determines it to be severe
and immediately sets the DTC as current and the MIL light to flash at a
rate of 1 per second until the condition is no longer present, at which
time the MIL stays on steady.
So once the P0301 is set it never turns off, except by code deletion procedure.
I think a lean burn condition could cause a misfire, but probably not
from a PCV problem which should affect all cylinders equally. There
would likely need to be another problem with that cylinder or intake or
...... .
SOURCE: coil pack diagram?
cylinder 1 is on passenger side, coils should be numbered, cylinder 4 is on drivers side
SOURCE: need a diagram of the firing order of spark plug wires from coil packs to spark plugs
FROM LEFT TO RIGHT, 5/2 3/6 4/1. ASSUMING YOU HAVE THE 3.1L ENGINE.
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