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Post by sssaurora on Jul 12, 2014 16:42:47 GMT -6
I have a 01 aurora 3.5 with 205k "owned since 150". It randomly wont crank. i hear nothing at all. the battery is fine, and its done this since day 1. If i turn and hold the key it eventually starts and the RPMs jump even though the engine isnt reved that high. i have a crank sensor and cam sensor code along with misfire. I was told it could be the starter. Im not sure what it is. sometimes it drives a little rough " jerking when it shifts/ rough idle" but other times it drives like its brand new. Ive decided to keep this car and looking to fix all that i can. Thanks. also it randomly wont stay started unless the pedal is pushed. and dies when its released. then it starts fine. Any suggestions?
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tigger
Administrator 
Posts: 2,844 
Staff Member
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Post by tigger on Jul 12, 2014 22:21:03 GMT -6
i have a crank sensor and cam sensor code... Replace these. Likely cause of no start issue and possible cause of misfire. When did you last change the spark plugs? |
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Post by sssaurora on Jul 12, 2014 23:10:53 GMT -6
according to the dealership they changed the spark plugs weeks before i purchased. however they didnt tell me that the fuel level sensor was retarded. i thought i had a full tank,ended up highly dissapointed. no warrantly paid in full. its starting to do this everyday. i would like to fix myself if the stupid relearn proced. wasnt required. could it possibly only be the starter?
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Post by sssaurora on Jul 13, 2014 9:59:21 GMT -6
i have a crank sensor and cam sensor code... Replace these. Likely cause of no start issue and possible cause of misfire. When did you last change the spark plugs? so i have never changed them. ive changed the oil every 2k. though i cant find oil im my driveway it seems to be leaking. but im not worried about that right now. this random no start is driving me crazy |
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tigger
Administrator
Posts: 2,844
Staff Member
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Post by tigger on Jul 13, 2014 23:09:59 GMT -6
Yeah, I've heard the 3.5 burns more oil than it leaks, the 200k probably has a lot to do with that. But you're right, that's back burner for now.
I don't think it's your starter. I'd concentrate on the crank and cam sensors. Relearn isn't always required but there is always that chance...
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Post by sssaurora on Jul 14, 2014 13:29:43 GMT -6
ok i lifted the car to find starter and sensor behind it. not sure if i did but its a mess under there. oil almost everywhere. it didnt look this way the last time i lifted the car. im not sure if this is the starter.  trying to get to the sensor. maybe i should have someone do this for me? just dont want a shop mechanic to blow up and make a big deal and tell me i need certain things or else my car will explode. is changing sensor a hard job? |
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