Look closely at #6, probably bad connector or wiring to coil. Get it somewhere else a 'new engine' sounds like a real bad outcome under the circumstances.
SOURCE: Check engine light
A multi misfire may mean that one or more of the following has happened:
Faulty spark plug or wires, Faulty coil (pack), Faulty oxygen sensor(s), Faulty fuel injector(s), Stuck/blocked EGR valve / passages, Faulty camshaft position sensor, Defective computer.
The engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wire, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the the problems were faulty fuel injectors.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.
Good luck and hope this information helps, keep me posted, be glad to help you get the truck running 100% again. Not sure if your running a K&N air filter, and if you are there may be a flim of oil on the MAF sensor that is making you run lean. You may want to spray down the MAF sensor with a can of MAF cleaner.
SOURCE: have 2000 limited 4.7. Has engine light on and
why would someone even start with changing the coils...usually a misfire is due to bad spark plugs..replace spark plugs, then go from there...just for a personal reference, the next time you want to see if your coils are bad, simply change out your bad two coils with two coils on the other side of the engine that are good...if they misfire code changes, then you know its a coil...if not, plugs...
SOURCE: 2004 chrysler pacifica check engine light code
The codes are both evap system codes. The only good way to find the leaks is to take it to a shop that has a smoke machine. They will pump smoke into the evap system to find the leak.
SOURCE: Had engine light on and
Most front wheel drive V6 chrysler engines are as follows: standing on passenger side of car facing engine, cylinders 1-3-5 are on the left bank, cylinders 2-4-6 on the right. Standing at the hood facing engine (front of car) #2 is on your left front corner of engine. Change / check plugs and wires before doing and deep sensor testing.
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