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Oldsmobile Aurora Engine Problems

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Comments

  • thanks for your advise on the sensors. i showed your response to the dealer , and
    they said if the sensors were acting up, it would leave a trail, i.e. codes.

    obviously none of us really knows the answer. went ahead and ordered new sensors
    anyway, as it was'nt that much money. if this doesent work, it goes on the block.
  • spur2spur2 Posts: 4
    Please let me know if the new sensors solve the problem. If so I will try it. I have the same problem (engine dies just like I turned the ignition key to off) and have been shifting into neutral at every stop light. My problem started after I installed new plugs and wires and I have been trying to decide if that is the problem. Did your problem start after installing new plugs and wires?.
  • sorry to hear you are having the same problem. no, my problem did not start after
    having new wires etc. installed. car had been running great untill
    about a year ago. does not do it very often, but enough that my wife will not take it more than a couple blocks from home. one thought was that the egr valve was acting up but that checks out all right. hopefully the sensors will arrive shortly and can get them installed early next week.
    its been one fine automobile and my wife does not want to give it up, but will in
    a heartbeat if this problem isn't fixed soon.
    i'll post my results as soon as i can .
  • I recently had my 95 into the dealer for a 3rd replacement of the AC comp. All is fine with the AC now, but a couple days after I got the car back form the dealer, after the car sitting for the afternoon it would barely start, but started, and was drivable but running very poorly. The next morning the car would not start. We had the car towed to our mechanic and he determined it was the fuel pump ($650), the pressures were low 12psi, and I guess were SB about 40 something. All made sense at that point. I picked up the car and all seemed fine but the car was still hesitating, when you decellerate and then gradually accellerate, the car would hesitate and backfire. (This hesitation was present even before the AC problem, I was hoping the new fuel pump would take care of this problem.) No such luck. The car still had the same issues so I took it back to the mechanic. The car would now stumble when trying to start, but start and also continued to hesitate as described above.(periodically) The mechanic could not figure out what was going on, the pressures were fine on the new pump, but felt it might be bleeding out after sitting for awhile. He continued to replace the fuel pressure switch. The problem is still not fixed. He tested plug wires, coils etc... with no problems found. The conclusion, it may be a defective fuel pump. He offered to changed out the pump for a new one. I guess we will see if that takes care of it, I have my doubts. Any other ideas???
  • after my previous post on engine stalling at a light etc., i had the crankshaft and cam sensors changed and all now seems okay. have not had a problem and have added approx one thousand miles since. hope this continues, as we are taking a trip to fla soon. will report back as to how that goes.
  • I am new to the site, I recently bought a 95 Aurora. When I got it I had to replace the thermostat & water pump due to overheating (it was welded into the housing unit wow!) I did this myself (mind u I am a woman hahaha). After fixing this problem the car ran well! Then one day I went to start it and it was hesitant, I had to turn the key a few times before it would start. The next morning I went to start it and it did nothing, all I hear is a clicking under the backseat. Had the battery tested it was goo but low so they charged it. Still nothing. I should also mention that some extra things were attached to the car (backup battery for an amp in the trunk) the day before the car wouldn't start wires touched & arched. Also my "Change Oil NOW" light on the DIC appeared about 3 days after the oil & filter were changed. Possible oil sending unit prob? If so how hard is it to replace? PLEASE help! Sorry for such long msg just trying to be clear. Thanks in advance!!
  • spur2spur2 Posts: 4
    As to the "Change Oil Now" light, it probably needs to be "reset." Push the reset button on the DIC.
    As to the failure to start problem, I have not experienced that with my 98 Aurora but it sounds like it may be the starter. I understand that 95 Auroras have had some problems with fuel leaks and possible fires. Do you know if yours has been repaired for this?
  • Thank you for the input. I am not sure if mine has been repaired for the fuel leaks. I did read in some of the other posts about one of the lines being recalled. Im hoping that it is not my starter as this is a costly job. Maybe it's my fuel pump considering I ran out of gas in the car twice, and then filled up. Once again thank you.
  • sclipsonsclipson Posts: 7
    it does sound like the starter. any good shop can verify this quite easily.

    reset the change oil light. the manual will guide you as to how to do this.

    good luck
  • trini3trini3 Posts: 1
    Hi Folks,
    I have a 2001 aurora with the 3.5 V6 engine. I recently discovered a siren type noise that increases and decreases with acceleration or deceleration. It only starts when I' up around 60mph. I guess it appears to ha a vacuum leak like symptom. Help if any one has ever had this problem. Thanks
  • sclipsonsclipson Posts: 7
    just finished a long trip with my 89 aurora and am happy to report that we did not have any stalling problems since crankshaft and cam sensors were replaced. yahoo!!!!

    happy motoring
  • hannig43hannig43 Posts: 2
    I've read all of these accounts and it sounds like my CRANKSHAFT SENOR(s) need to be replaced too (it stalls at wierd times)....also the tach is shooting up to 8000 even though the engine isn't reving that high. Does this sound familiar to anybody? Are they related?
  • skurz374skurz374 Posts: 1
    Hi,
    How did you get the water pump to break free from the housing?
    I have the special tool but it just will not budge.
  • pfarneypfarney Posts: 3
    My Aurora has less than 10 K since total O'haul. Oil presure reads 48-51 lbs at cold start, but gradually drops to "no" or loe oil pressure at stops/low idle. then the chime starts and won't quit until I begin to increase the rpm's after stop sign or traffic signal. I know that the pressure must be OK. No engine noises, no o'heating, no oil use or discoloration. What to do? The damn chime is driving me CRAZY at stops. Thanks a bunch.
  • Hey everyone. I have a '96 aurora .8 cylinder, 198559 miles. Just replaced oil , oil filter,plugs, transmission fluid and filter. Now we here a grinding or scrubbing sound where the serpinetine belt is at. Friend of mine say its coming from the air conditioner pulley. ??? My biggest problem is that it now I cant get the 'oil change soon' :confuse: :cry: reading off of the DIC and when it warms up the PSI drops from 80 t0 below 30 and it cuts off when idle at stop lights. Could it be that the car is idled too high or the oil sending sensor ?
  • : Well everyone I'm back. In my last post i ask about oil pressure on a '96 aurora. Well my car went to the shop and has been there for two days. Just got her back. I had to have a Idle air control valve, an oil pressure switch, idler pulley,serpentine belt and also idler tension pulley replace the original ones. All in all it ran about $385.My mechanic drove it thru town today and stopped at several red lights he says no problems. placed it on his computer diagnostic and shows all systems normal. I drove it home and my worry wort mind stayed on my computer oil psi read out on the DIC. My readings at stoplights were 14-29 psi and went up at acceleration but I don't believe they ever got above 70 psi. but I also never got above 45 mph because of after work traffic. This time my car did not cut off on me and no alarm went off. I really need someone out there to tell me what is the TRUE oil pressure that a '96 aurora should be. My mechanic says its fine at what it says. Does this seem right to everyone? I can;t afford to blow gaskets or even my motor.
  • This engine should maintain 9 PSI at hot idle, and between 15-30 PSI at crusing speeds. Close tolerances, seemingly low oil pressures are "normal" in this engine. Don't be concerned unless your light & in-dash warnings (audible) go off at idle.
  • Is there anyone out there that can help me with this problem I have a 97 Aurora with a right wrap head ,if I have the heads repair wwould this solve my problem or would i have to continue to search for a another engine...please help me
  • My Aurora had a noise I thought sounded like a jet. It was the freon compressor bearing. They say it's not replaceable although my son is a GM mechanic and called a bearing company to find a replacement. Replacing the bearing saved us a lot of money.
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