Question about 1998 Oldsmobile Intrigue

1 Answer

Car has a mind of it's own

It started when my car acted like it died and all the lights on the dash came on but did not lose power. Now sometimes when I try to start it it wont start it don't do it all the time like today I made 3 stops and on the 3rd stop it did not want to start it toke me alot of trys to get it to start. It has also died on me going down the highway.
It acts like it has a mind of its own and olny want to start when it want to

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  • pezman4733 May 11, 2010

    Thanks for your replay I'll try the battery, when we disconnected it we only let it set for a few min. and we had changed the computer but when we did the one we used wouldn't even turn the car over, so we put the old one back in I'll let you know if leting it set for 30 min fixes the problem. Thanks again

  • pezman4733 May 11, 2010

    It didn't work letting the battery set 30 min ran fine the first time went to start it again and it didn't want to start when it did start had to give it gas to keep it going but was NOT running smooth took foot off the gas and it died tryed to start it a few more times and it finly started. Went to town and left the key in the ignition thinking maybe it is the switch or tumblers and it started fine. 5yrs ago I had a new switch installed, could it be causing the problem? One time when it started and was idling high but the fuel gauge was on E and the tac was not moving. When it died on me the other day and I went to put it in N to restart it and it didn't start back so I parked it and when I put it in park the light by the N stayed buy the N but I was in park and the doors did not unlock had to unlock them manualy. It's driving me nuts. Had a mechanic look at it and he's not for sure that it was the ECU after all. PLEASE HELP if you can.

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Sounds like the mind of a computer! disconnect your battery for about a half an hour just take the negative cable off. then hook it back up and see if she runs, if she seem to run good then it might be the computer because what you just did was like a hard reset, this resets everything in the computer, and now its looking for information that comes from all the cars sensors, so if it ldles a little quirky for the first day or so dont worry the car is just relearning the way you drive the car and choosing the setting accordingly...this is whats done when a person like myself did to my car when i installed a performance chip in my cars computer and these were directly taken from those directions, it said it will go through a reprogramming phase until its learned they way you drive your car. you could also try and locate you computer and see if theres any corrosion inside the connectors, but if you dont know much about electronics i would leave this to the professionals because the computers are very expensive and one mistake could kill it.if you do decide to mess with the connections make sure that the battery is disconnect and dont put the key in the ignition either.
you know what i just remember answering a question kind of similar to yours but the only difference is the lights in there dash would go out only when they turned hard left..so i told them to check to make sure that their battery wasnt loose an flying around in the engine compartment and if it is loose then your cables are probably loose also
so they replied thank you very much Vtaylor2 we found one of our battery terminals was loose..funny how the mechanic that we took it to said that it would be a major electrical repair! so you might want to check that first before messing with the computer.
if this has help can you rate my answer, thanks.

Posted on May 11, 2010

  • 6 more comments 
  • steve t May 11, 2010

    hey: Warning: those computers are very static sensitive, do not touch any connector pins and it would be wise to touch a big piece of frame(to ground yourself out), on the car before you handle anything on the computer... since now you say you only have one that seems to work, i work in the computer field of Avionics, I've been in this field for over 35 years, including the Navy and Aircraft carriers i worked in AIMD and was an inspector quality assurrance of the electrical shop...and i know that its a **** shoot when purchasing refurbished electronics or brand new electronics equipment. please feel free to contact me again and see if we can get to the bottom of this....hang in there and when working with electronics rushing could be the worse thing to do because, if you forget to unplug the battery... and get distracted you will fry something. Take your time on electronics i'm up all night.. i work nights! thank you so much for your quick feedback it.

  • steve t May 11, 2010

    look while your waiting for the 30 min check the battery voltage and tell me what you read if you dont have a meter they sell them for about$30 Autozone pretty nice DIGITAL one not the old analog must be digital purchase one anyway it will never be the last time you find out what a great troubleshooting tool it can be if you slow down and make the time and can read a schematic. you always start from power(voltage) and work your way down. is the circuit breaker popped or tripped is fuse blown is the damn thing plugged in if yes now check for the proper amount of voltage (like your battery..it is charged up by the alternator and if your alternator is going out it wont properly chargre the battery....now it could just be possible that your belt is slipping on the pulley (when you rev the engine do you hear a squeeky noise if you do your belt is worn change it out while it out check for play in the alternator make sure that it moves easily...need to know voltage of battery if it is not greater than 12.5 v and is more than three years old your battery is going out trust me on this it got a bad cell in it and if the alternator is good will assume it should be charging the battery to at least 12.8v or better 13v is primo! let me know if you checked these things and i'll still be doing somemore troubleshooting! if you'd like!

  • steve t May 11, 2010

    i just remembered something about the computer that you purchased hopefully a brand new one because i dont believe that they will take it back....but i remember now that when i installed my performance chip it was piggy-backed onto the MEM-CAL chip. the MEM-CAL chip is the main brainchild of your car, it stores every bit of information about your car in its memory and i believe that new computers dont come with mem-cal chips, you have to take the old one out and install it into the new unit. if your computer is like mine on my 89 chevy berreta it will have a plate on it with two screws take those off and the big rectangular chip should be right there in front of you. now the tricky part, this must be done very very carefully and again dont touch any of the exposed pins i dont think there are but just to be safe, just touch the plastic and continue to ground youself especially if your outside in the the wind is blowing, you'll build up a static charge and ruin the chip. there should be two clips that hold it in place very slowly pull outwards, if i remember right and these clips release and raise it at the same time...now install it into the new computer making damn sure you orient it in the same position,,if it doesnt want to go in something is wrong you might have gotten distracted look at the pin area it will be sealed in plastic with little square holes and then you might see an area that doesnt have holes well this is a key guide that keeps it from going in the wrong way..just use commen sense when installing it..you'll know that its in properly when you feel the clips snap in place, On Each Side ..both sides have to be snapped in place to insure it is all the way inserted correctly...press down only! on the ends! of the chip when inserting. did you measure voltage on battery yet, you can measure it without it being hooked up to the car.You want 13volts minimum then you know the battery is perfect.if you dont have the time to get a meter hook battery up to car after computer installed and turn on high beam and windshield wipers...if the lights are dim and the wipers move slowly then you battery is no good!

  • steve t May 11, 2010

    thanks for bearing with me,...now i know how those Apollo 13 mission specialist felt when trying to repair the damaged Spacecraft and all's they could do was "talk" them through it! you"ll fix it guys, i know you will nothing is impossible to fix...i think that the toyota company should be looking into the computer that controls the cruise control system, because on my car, when its selected i feel it moving around all by itself ...i guess that would be a little disconcerting if my brake switch was defective and i couldnt release it or brake the contact of the switch, because thats the way its wired up in my schematics...your brake switch shuts off main power to the brain thats moving the pedal around...try it someday! Warning (All toyota owners, please "do not" even think about doing this, until they have found a reason why). Stay at about 45 mph on a "clear" wide open highway..then select cruise to on and just hold the select button all the way or just keep tapping the button real fast and feel with your foot the pedal seems to have a mind of it own.. dont exceed the speed limit please! tickets and insurance are expensive...now just imagine that you go to hit the brakes while you do this and nothing happens...your brake switch went out...would you panic? i hope not, just get away from everyone and hold steering wheel firmly, now just click the key "one" notch from on to off (if you go "too far" you will "lock up" the steering wheel), dont do this please! do not turn your car off. it is dangerous! dangerous! you'll be risking your life, this is just to help anyone out there incase they find themselves in this type situation.. and then you'll notice that the steering will be hard to control, like when i was a kid, and they didnt have power steering and power brakes.. the system will be in manual power only, dont do this procedure in the city ever either.. you risk yours mine and everyone lives for no purpose... this is only for open highways perferably the desert areas, where you only would engage cruise control anyway....did you notice that no toyota ever had these problems in city traffic, only on open highways, well at least i dont think i heard of any others. There's one other safer way to avoid this, but it will be at the cost of a $3000 engine, and thats is to put it to neutral and get off the highway as quick as you can, because nobody knows how long the engine will run that way.. she might blow! but at least you had power brakes and steering which is better than risking your life! Please again,( don't turn off the engine while the engine is running), not only will you damage the electrical systems with possible surges, but the transmission will get damaged also because no fluid will be flowing throught the radiator to cool it down so remember you'll damage the engine/transmission if you do this.
    you guys fixed it right...sorry i was going on here a bit just got bored waiting to hear back from you..i neede to let you know about the Mem-Cal chip. hope you got all this information before you give the guy at the autoparts store a hard time..im sorry but when i read in your statement that it had a mind of its own it really through me off it could just be your charging system i should have started there. hope you fix it and dont blame you if your disappointed with the help! good luck!


  • pezman4733 May 11, 2010

    Sorry, for takeing so long getting back with you. But, We got the computer at a junk yard not a new one. So far the car is starting right the true test well be the 2nd and 3rd time i try to start it when we changed the fuel filter it worked for 3 days.

  • steve t May 11, 2010

    i can help you give me a number that you want to be reached at so i can ask again? What Voltage do you have on the battery right now without being on??

  • steve t May 11, 2010

    yes changing a fuel filter is probably half of the propblem but can you just tell me what voltage to you read on your battery....if you dont tell me you will get stranded in the near future maybe miles from town in the middle of the night and last call is a comin. now you dont want that do ya then just buy a digital voltmeter wait a minute now ,,,how old are you first theres and age limit, got to 26yrs and older at least in my county it is, i heard that some are 21 bot those guys are the lucky ones, but my dad says you idiots its 18 well i dont want to take any changes in order to handle one of these things person has to be reponsible if something were to go wrong like accidentally causing an electrical fire, and not having a fire extinguisher around , well it was a good thought... but guys...im just gonna pass an leave to faith... lets see what happens. I tell you what though.. if you guy are old enough to by one and if you upgrade me to 4 stars, i tell you how they work! sound like a deal? o.k. then get back to me.

  • steve t May 11, 2010

    toyota brake switch cruise control multimeter test this just a test of censorship . i wrote some stuff for you to try it was there yesterday and now its gone, why was it deleted?i guess your on your own try
    scottykilmer.com,,,,,,goodluck

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