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#4719 of 5142 Intermittant Starting issue has escalated into a never starting issue.
Mar 27, 2010 (9:17 am)
Itís probably been a year since I talked to you about the intermittent starting issues I was having with my Jeep. I was convinced that the problem was the result of a fuel pump failure. After purchasing a new pump, my mechanic told me there was no reason to install it because my fuel pressure and pump were fine. When I brought it in last, they claim that no error codes were being produced by the computer. Shortly after I picked it up, the check engine light came on but it continued to run fine. Occasionally, the jeepís symptoms would return (maybe 1 in every 50-75 starts) but after waiting a few minutes, the engine would fire right up so I paid little attention to it. A few months ago I noticed an ever so slight noise coming from the engine that I had not noticed before. The best I can describe it as is a faint chirp sound almost with a hint of the sound of slight vacuum pressure. The most interesting thing about this noise is that it continues for a second after the ignition is turned off. I first noticed the sound when I parked in the garage, turned the engine off and heard it when I jumped out of the truck. After noticing it, I cranked it back up and could hear the faint chirp, ping, suck noise.
Iíve been researching the symptoms and asking around a couple people have mentioned two sensor issues on Jeep Grand Cherokees that have been problematic: crankshaft position sensor and/or camshaft position sensor. Iíve located them on my engine but I canít justify digging around and replacing them when I really donít know for sure if either of them are causing the problem.
Does my rambling bring any ideas to your mind? Any advice you can share would be much appreciated. Btw: the jeep last started 2 weeks ago. Iíve made approximately 10 attempts to crank. It turns over but acts as though there is either no fire or no fuelÖ Iíve read that a bad crank sensor will disable the vehicle???
Anyway, let me know what you think. Iím guessing I should probably just take it to a jeep dealership at this point to see what the computer is saying now that it wonít start at all.
2000 Jeep Grand Cherokee Limited
4.7 L Power Tech
All Wheel Drive
#4720 of 5142 Re: Intermittant Starting issue has escalated into a never starting issue. [2000jgcltd]
Mar 29, 2010 (8:17 am)
This sounds a little bit like a problem I had with my 97 jeep years ago. The problem was the starter. Here's how my mechanic explained it to me. With age the starter develops bad spots. It's like roulette. When starter motor armature is in the right place, vehicle is hard if not impossible to start. Takes a lot of current. To make it worse starter is drawing more current than normal which runs down battery. Start and drive 50 miles OK. Make 2 or 3 short trips, not OK. Solution was to replace starter. You may also want to inspect cable from + battery to starter. Clean or replace depending on what you see. Always disconnect (-) of battery before doing electrical work.
#4721 of 5142 Re: Intermittant Starting issue has escalated into a never starting issue. [rwengr]
Mar 29, 2010 (8:34 am)
There is nothing wrong with the starter. I apologize if I didn't properly describe my jeep's symptoms. The engine always turns over with gusto. When the engine doesnt' start it isn't for lack of turnover. It is lack of combustion/ignition. Either no fuel or no spark. Thanks for trying though.
#4722 of 5142 95 jgc transmission
Mar 29, 2010 (9:07 am)
my problem is i have a 95 jgc 4x4 6 cylinder automatic. when it changes into 2nd gear it seems to takes forever to change into 3rd. i have to speed up and back off the gas and then itll go in 3rd. it has 128000 miles on it . i have had the trans filter and fluid changed. but get this when i left the service area where i had this done it changed everytime on a dime, but 5 miles later it started back to doing the same thing. i check the trans fluid all the time to make sure its up to tee. any ideas.
#4723 of 5142 Temp control problem after heater core change.
Mar 29, 2010 (2:29 pm)
So, I just knocked out a heater core replacement in my 2000 WJ Limited with the dual zone controls. While I had everything apart I replaced my blend doors and recirc door that so commonly fail. I thought I did a good job and had no issues until I turned on the heat....
The heat comes on when I select the "cold" setting and the A/C comes on when I select the "hot" setting. I obviously hooked something up backwards or installed a door in the open position when it should have been closed or something to that effect. Other than the temps being backwards everything else works fine.
Can anybody tell me exactly what it is that I need to change?
I want to be able to know exactly what I'm trying to do before tearing out the dash again! It's kind of hard to do a trial and error when the dash is out. You can't exactly turn on the controls and test things.
Any input would be greatly appreciated. Thank you.
#4724 of 5142 Problem with 'Check Oil Level'
Mar 29, 2010 (4:07 pm)
Hi -- sorry if this is in the wrong place but Im having a problem with my Grand Cherokee (1993).
For the past few months the 'Check Oil Level' Message has been coming up on the computer notification system over and over again. I have changed and checked the oil several times, added 2 extra quarts, and done everything I can think of to get it to stop. I am wondering, what are my options here.. Is there a way I can disconnect or remove something to atleast get it to shut off?
Any help would be greatly appreciated. Thanks in advance.
#4725 of 5142 Re: Problem with 'Check Oil Level' [fdsa21212]
Mar 31, 2010 (7:41 am)
try your local auto parts store--usually those guys will come out-and help you diagnose the problem!..
-i've worked on cars for many moons,and when things went "computerised",everything got even more complex..
where the parts guys help,is they sell a lot of parts,and common problems follow the engine-or brand of car..
--then,add -german engineers-who do things verry well,but-at times,their tolerances aren't dealing with a twenty some-year old car !..as your-and my "dalmer/chrystler-jeep is..it drives great,but fixing it is a whole nother level of aggrevation!
--look for a "low oil sensor"..and forget the computer.!.!.. READ THE DIPSTICK ! ! !
--cause-if you overfill it with oil-you'll blow out the seals,and end up with a lot more trouble than you got now!..
#4726 of 5142 Re: Engine Races at Start [edub70]
Mar 31, 2010 (7:46 am)
hook up th throtle cables backwards??
see if th butterfly-air intake valve is working right..
#4727 of 5142 Re: Intermittant Starting issue has escalated into a never starting issue. [2000jgcltd]
Mar 31, 2010 (7:56 am)
--when it's not starting,check the basics..fuel+spark+air=fire !
#4728 of 5142 wiper motor
Apr 01, 2010 (11:48 am)
i have a 95 jgc 4x4 6cyl. auto. my problem is the front wipers only works on low and high. how do i get the intimediate to work? and if i have to replace the motor, how do i do this?