20 Most Recent 2001 Jeep Cherokee Questions & Answers


warped heads will cause this...if it over heated badly thats going to be the problem

2001 Jeep... | Answered on Feb 11, 2018


I would need to hear this noise to help, sorry, but you need a shop to look into this.

2001 Jeep... | Answered on Feb 07, 2018


check the cable to the ecm they made them pull down on the pins right from the factory and messes up lots of stuff , loosen the cable and see if that helps , fixed all kinds of problems in my jeep

2001 Jeep... | Answered on Nov 10, 2017


Try unplugging the passenger door module from the wiring harness. Module may be bad. I see one screw holding it with tabs at the other end. You should be able to pull it up without removing the door panel. I see there are modules online for less than $40.

2001 Jeep... | Answered on Nov 04, 2017


Check to ensure the front reservoir pump is connected and receiving power. Is the fuse bad?
It is possible the pump inlet is clogged. This would require removing the reservoir and flushing it.
If this is a washer with an external, self-priming pump, is the pump uptake tube in the cap missing?

2001 Jeep... | Answered on Nov 01, 2017


light switch is bad,they have a history of it,and also blinker switch

2001 Jeep... | Answered on Oct 12, 2017


The windows are controlled by a computer module known as the BCM, have the dealer perform a self test of the module with a special scan tool.

2001 Jeep... | Answered on Sep 01, 2017


Yeah Michael, try tightening the belt on it just a bit tighter. You may not hear slipping belt but it is slipping. But then you say it doesn't work at all at idle, sounds a bit more like a week pump or is too low on fluid. For fluid, just use GM trans fluid, it's cheaper and the same thing as expensive tranny fluid.

2001 Jeep... | Answered on Jul 11, 2017


Head gaskets do not make black smoke it is white and smells sweet, is that the case?

2001 Jeep... | Answered on Mar 31, 2017


Is this using europeon lighting or that funny american thing of stop lights indicators all in one .

2001 Jeep... | Answered on Mar 14, 2017


If no spark at the plugs, engine cranking, did you check primary voltage at the coil assemble, dark green wire with orange tracer, engine cranking, use a test lite on the wire check for voltage. If no voltage that will lead back to asd relay. There are some fuses involved. I believe the computer has to see both the cam and crank sensor signals or it won't ground the asd relay. All I can do is make testing suggesting.
cherokee asd relay-m5cnn2lotweryjtsi2x53sss-2-0.jpg

2001 Jeep... | Answered on Mar 10, 2017


Greetings john ingall Dec 12, 2016
piggy backers.. old. why not start a fresh post for only your car and not mix up other symptoms.
did play with the CMP or CKP. then cause p1391.
oops...a daisy.... you did it wrong.
Id not attack coil rail until the 1391 is cured, not me.

1: scan it ? post all DTC now.
2: DTCs trouble codes..????
3: is the ASD dropping off line, while running? (a key fact to know)
4: ever get a tune up this decade?????
5: spark gaps correct , to factory spec, and kept here doing repeated service? )
6: Do the scans show the IMMO tripping the ASD off line????
there are 8 reasons for ASD to trip , and cause a stall, all 8 are reported !
there are 50 other reasons for stalls, called misfiring...
the service manual is clear (p035x's)
Peak primary circuit current not achieved with maximum dwell time.
This means that the PCM charged to coil fully
and the current was way too low.
that means it found (out of spec) current.
even zero current,
means coil burned up or the transistors to it.
gee, id have the rail off and check each coil
there are 6 coils, 3 primary and 3 secondary
the SM cover this test, as all do so read it.
it can also be bad connections(wires) to same.
(crude, 5ohm pri, 20k secondary ohms)

OUR 4.0l HAS A RAIL PACK, COIL
WITH 3 COILS inside, and uses wasted spark to fire all 6
and if one coil fails you will loose, 2 cylinders, due to series HV wring, unless 1 wire shorts, but if one opens you loose 2 cylinders.
( Kirchhoff's laws 1; an open in series circuit flows no current, so both spark plugs go dead.

unless rich and super lucky , try using a scan tool
when the engine misfire, or stalls.
and report all errors seen, DTCs, a win/win.
the schematic, see F18 fuse , the coil pack
super simple no? ,yes, but not on PCM end. (Ask)
here.dac293a8-5823-4d8e-8165-130c10d9e961.jpg

2001 Jeep... | Answered on Jan 27, 2017


IT WAS the oil cooler leaking

2001 Jeep... | Answered on Jan 21, 2017


Your sensor is located next to the crankshaft pulley. it is halfway into the block and, the housing will have wire clips protruding outwards. it should be around the top left or right side of the pulley.

2001 Jeep... | Answered on Nov 22, 2016


in uSA/?
open hood, look up, and under, see that vacuum map.
or read the FSM
all that is covered in the huge book,, just read it.
did the lines fall off? what is the reason to ask? JOB at hand.?
there is very little engine vacuum lines.
there is brake, cruise, HVAC, too.
a vacuum reservoir
the emission page covers most. EVAP, is one.
and fuel. (FPR reg uses vacuum)
would be nice if you named one hose loose.
not ask for them all.... but you can read the book , like all can.
MAP sensor does not use lines
if one hose lose. tell where it goes,?????????

WJ
http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service




2001 Jeep... | Answered on Nov 03, 2016


check fuse first

2001 Jeep... | Answered on Aug 09, 2016


On hood latch..where cable goes in..there is a hole there..trip it back..or take the 3 bolts away from latch

2001 Jeep... | Answered on Jul 09, 2016

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