Question about 2001 Mitsubishi Montero Sport 4WD
Has p0300, changed coil pack and fuel filter, has pretty new spark plugs
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Posted on Jan 02, 2017
Did you solve this problem? I am having a rough time figuring this one out on my 99 Montero! Maybe the ignition control module (power unit) or an ECU problem? Please let us know if you have solved it! Thanks
Posted on Jan 19, 2010
SOURCE: My 2002 Mits Galant has
If there are symptoms such as 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 wires, distributor cap, and rotor (if applicable).
Otherwise, check the coils (coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
Try it and keep us updated.
Posted on Sep 14, 2010
on thesae oldr cars 2 and 3 cylinder fire together same as 1 aND 4 ,without head under the bonnet i honestly couldnt tell you the answer but i might be inclined to suspect a valve not seating correctly all the time
Posted on Mar 27, 2013
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