Wednesday, January 23, 2013

About: 99 Grand Cherokee Laredo starting problems

99 Grand Cherokee Laredo starting problems?
My 1999 Grand Cherokee Laredo is not starting. I drove it earlier in the day and it was fine.. but then when I tried it later, it would not start. The dash lights turn on, and the battery gauge says that the battery is half-full. We tried jumping it, but that did not help. We have also tried undoing the gas cap in case of vapor lock. I am afraid it is the starter, but I am trying to get other ideas. The starter is making a clicking sound, and when we attempt to start the vehicle, it will turn a little, but then stops. I was told to try hitting the starter with a hammer to see if that works... but I am not quite sure what the heck to do with that! Any suggestions or ideas would be great, I really can't afford to spend $250 to get this repaired!!!! I will be taking the battery and starter to the auto parts store tomorrow, are there any other parts I should take in for a diagnosis??
Maintenance & Repairs - 4 Answers
Random Answers, Critics, Comments, Opinions :
1 :
If your starter was making ticking noises, and occasionally half heartedly turning the engine over, then its most likely fine. Sounds like your battery is dying. I realize you already attempted a jump, but try it again. A faulty connection on the jumpwires, or a loose battery terminal are more likely suspects for your failure to start it that way. Jump it again, or change the battery. These are your best bets. Your starter sounds healthy from your description. There is no need to beat it if it is trying to work. Only if it becomes seized.
2 :
It's not because it a Jeep; it's not the battery; it must be something electrical -- unless your batter cable is loose, then it is most likely your starter. It just happened to me a few months ago, but it stopped while I was driving on the freeway overpass about 50 feet high -- not fun. The highway patrol pushed me to the nearest street and I had to call a tow truck to get it to the shop. YES it was my starter, but then the mechanic found all kinds of other stuff he'd like to repair for a car with over 110K miles -- with a tune-up and other stuff, I ended up paying about $1400; but the car has been running fine ever since. You may as well save up and expense it now. It doesn't sound like to can afford another car ... good luck!
3 :
clean both battery terminals an make sure they r tight than I would have the batt checked to make sure its good if after cleaning an a batt check u still have the problem take the starter in for a check If its test bad go to a u pull it an get another starter a junk yard It will be a lot less money
4 :
Pull the battery and have it checked at a auto parts store.If bad replace it.Start engine and check charge voltage.13.5 volts or higher .Alternator is OK.If less replace alternator.Battery terminals may just need cleaning and a good charge.
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Sunday, January 13, 2013

About: Do I need to replace my PCM on my 96 Grand Cherokee Laredo V8 because of an open ciruit on injector 8

Do I need to replace my PCM on my 96 Grand Cherokee Laredo V8 because of an open ciruit on injector 8?
Can my PCM be damaged by a temp short on one the 8 cylinders on my 1996 Grand Jeep Cherokee V8 5.2L? Friction caused by a hose chewed up the two wires conecting to the injector . The wires have been fixed but, there is still an open in the circuit according to my check engine light result. Before the problem was fixed the code reported was a P0208, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308. "Problem with circuit on injector 8", then random misfire , the remaing, misfire on all 8 cylinders. After the wire was fixed, ( connector), the only code is P0208 but, this time its says "open circuit on injector 8". So now, my question is, do I buy a new wiring harness or a new PCM.? And by the way I tested the injector its self and seems to be working. The resistance is the same as the other injectors.
Maintenance & Repairs - 2 Answers
Random Answers, Critics, Comments, Opinions :
1 :
i would try and find a new harness at junk yard and try that before i change the pcm
2 :
Did you remove the negative battery cable to clear all old fault codes? That might be a "hard" failure that has to be manually cleared. If not check the wiring again and then try another wiring harness or switch the injectors to see if the problem moves.
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