2001 JEEP CHEROKEE MISFIRE CODES NEED ANSWERS ASAP

Asked by CHEROKEENCS Dec 23, 2016 at 01:03 AM about the 2001 Jeep Cherokee Sport 2-Door RWD

Question type: Maintenance & Repair

my 2001 jeep cherokee xj (4.0 6cylinder) has been running misfire codes
for about 5 months now.. it did feel like it was misfiring at a cold start bu
woud go away when warming up. now it starts but sounds terrible, has no
power, and when i try to start moving the heat gauge maxes as well as the
oil pressure gauge. ive replaced the spark plugs, coil pack, and injectors..
HELP.
on top of all of this im running a p0455 large evap system leak and have
replaced the gas cap. i need answers quick.

1 Answer
90

Martyuma answered 7 years ago

I would say to go to a mechanic with a really good code reader. The parts store variety is not good enough to really tell you what's going on. The cylinder 3 misfire is a common code that pops up for many reasons. Find a good reader. The 2 foot square variety. My mechanic reads it very cheaply. Even the parts store people sent customers to him.

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