Intermittent starting problem - JeepForum.com

 
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post #1 of 15 Old 04-16-2010, 10:50 AM Thread Starter
zing43
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Intermittent starting problem

I have an 07 compass. It sometimes has trouble starting. It will crank, on the second try cranks a couple times and starts. does it in cold, cool, warm and hot weather. Usually after I have been driving and stop somewhere and then restart to leave within 10 min. Very intermitent, dealer has no answer, warranty up soon. Anyone else have this problem

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post #2 of 15 Old 04-16-2010, 10:56 AM
deepnite10
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does sound its electrical..in the morning befor starting the car..check the headlights to see if they re as bright as the day befor..

could be the battery not holding a charge, a alternator going bad or
even the starter..

how long has this been going on?..usually if its any of the mention d..by
the end of the week they re shot..

battery>alternator>starter , from cheapest to most costly to repair..

if its one of the 3..its unusual that the dealer could nt determine the
cause..they can check the battery and alternator and the amount of tq
coming from the starter..

similar problem with my volvo..turned out it was a frayed grounding wire
on the alternator..they easily could have replaced the alternator..but, instead
merely replaced the wire..cool guy s at Sears..
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post #3 of 15 Old 04-16-2010, 10:58 AM
troys96xj
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I have a Patriot that does this too. Its not the battery on mine cuz it turns over very strong. Just wont start. I have no idea either. Mine is on a lease so Im gonna let it go in october.
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post #4 of 15 Old 04-16-2010, 11:02 AM
deepnite10
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if they have tested the charging system and say everything seem s to be find..then id go looking for a short from one of the grounding wires..
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post #5 of 15 Old 04-16-2010, 12:00 PM Thread Starter
zing43
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battery is strong, been going on for a year since I bought it. Since the starter cranks, how the a ground affect it, other than spark to the spark plugs.
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post #6 of 15 Old 04-16-2010, 12:19 PM
bseblfrk09
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Mine does it too. It really isn't anything to be worried about. I have been told it is the signal from the key to the ignition. the signal isnt read properly, so the car won't start. Just turn the car off, pull the key out, wait a few senconds and try it again. It will eventually start when the ignition gets the right signal if u keep cranking, but to avoid wear just take the key out, wait a little and try again.
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post #7 of 15 Old 04-16-2010, 12:21 PM Thread Starter
zing43
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who told you that the key was the reason, I thought of that and thought it might be my key, so I tried the other key for a while and got the same results
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post #8 of 15 Old 04-16-2010, 12:44 PM
bseblfrk09
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It actually happened to me the first time I pulled the car off the lot. I went to start the car and the battery was dead, so they jumped it and drove it in and put a new battery in it. When they drove it out they turned it off. I went to start it and it wouldn't start. he told me to take the key out and try it again and it started right up. It might not be the key, it might be in the code reader in the ignition. Mine still does it just not that often, maybe once every three months or so.
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post #9 of 15 Old 04-16-2010, 12:49 PM
Gramps
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If the key is the problem:

Then ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN) will also respond to the invalid key message on the CAN data bus by flashing the security indicator ON and OFF.

If not, then it's not the key. Just trying to eleminate what it's NOT. It could be a SKREEM module not getting a signal too.

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post #10 of 15 Old 04-16-2010, 05:13 PM
deepnite10
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Quote:
Originally Posted by zing43 View Post
battery is strong, been going on for a year since I bought it. Since the starter cranks, how the a ground affect it, other than spark to the spark plugs.
the battery has a negative grounding wire..anything that runs or starts as a result of a spark has some kinda grounding device..the alternator has its own grounding wire as well as the starter..it might be that the ground is loose or
frayed..

i can t believe that a dealership..knowing the cause of a malfuction can t fix it..or replace the parts..especially if its a new car..
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post #11 of 15 Old 04-16-2010, 09:41 PM Thread Starter
zing43
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the dealer has not been able to repeat it and says there are not codes showing up
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post #12 of 15 Old 04-18-2010, 07:54 AM Thread Starter
zing43
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I think if it was a ground wire that was loose or frayed, we would not have as many people having the same problem, unless it was installed that way, plus it should do it more often.
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post #13 of 15 Old 04-18-2010, 09:16 AM
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post #14 of 15 Old 04-19-2010, 11:08 AM
howdy246
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Mine has done that twice in the two years I've owned it. Both times were at the same place I stop for coffee. I would start the car up, drive about 5-10 minutes to the coffee shop, turn engine off, get coffee, try to start engine. It would turn over but not start. If I tried it right away again, same thing. I would have to sit for about 30 seconds to a minute then it would fire up right away. It doesn't do it enough for me to be concerned about it.
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post #15 of 15 Old 06-01-2010, 11:58 AM
snood
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Mine does this same thing. I have been trying to get it fixed since I purchased the car.

'07 Compass -> I apologize to the next owner.
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