Question about 1997 Oldsmobile LSS

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Reset security light 97 olds lss

How do i reset the security light on an 97 olds lss. the security light is always on it has been for a year the car is now getting hard to start. i have rplaced the mass air low sensor, all coils, starter, fuel injectors ect. i have herd that the sec light may have son=mething to do with it

Posted by Anonymous on


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  • 2 Answers


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Posted on Jan 02, 2017

  • 3113 Answers

SOURCE: 97 Oldsmobile LSS Won't Start.

You need to replace the upper intake manifold. The coolant will get on top of the pistons and they will not fire. Take all of the plugs out and turn over to get the coolant out and put new ones back in after the new manifold is put on. You can break the starter housing if you don't get the coolant out. A common problem with this engine but the new manifold has been re-designed to last longer.

Posted on Jul 02, 2009

  • 253 Answers

SOURCE: car wont start has power has fuel and starter

The security system is activated. It kills the injector pulse ( signal) and on some modles the starter. You will need to try to relearn the system. First try to start the car, leave the key in the run position for 10 minutes. Cycle the key off, then cycle it to the run position again for 10 more minutes. Cycle it off again, then back to run for another 10 min. after the last cycle turn it off then try to start the car. It is a 30 minute relearn. If this does not work you will need a repair shop to replace the passlock sensor. Good Luck

Posted on Jul 08, 2009

Testimonial: "it was in the ignition and the security activated i had to replace the whole igintion key and all "

  • 246 Answers

SOURCE: Oldsmobile Intrigue coolant light on service engine soon on

First try taking both of your battery cables off the battery and then touch the metal part of the cables together for one full minute...this will clear the error codes and return your computer to it's default settings. If all problems persist after doing this, I would suspect that the computer is bad. Let me know how you make out.

Posted on Jul 30, 2009

  • 230 Answers

SOURCE: aurora 1997 i have changed the fuel pump,, fuel filter plugs,

Hi there
sounds like you done allot to this car. did you clean your gas tank? Reason i say this there are times you get bad gas that water with it. and it sounds like you got water in your tank. need to get it out. Try this get some rubbing alcohol and poor it in your tank. It won't hurt it. It will soak up the water that's in your tank. try this and let me know how it goes.
Thank you for writing to fix ya.
Best Regards Richard

Posted on Dec 29, 2009

Testimonial: "yeah, i did that this morning, the gas tank had a bunch of **** in it, changed fuel filter, tank needed cleaned same prob still thanks though"

  • 1 Answer

SOURCE: starts but then it shuts off

You just want to know what to do, not complicated **** about what might be causing it or expensive repairs that won't solve it or won't last. If "security" blinks on the dash it's the screwed up passlock security system causing it not to start or start but quickly die.
When the car won't start or quits because of passlock security system glitches "security" blinks on the dash. Don't try again until it stops blinking (about 10 seconds). You get 3 tries in succession before it locks up (thinks a theft is in progress). If that happens, you'll have to wait about ten minutes for it to stop blinking. After the long wait you'll get another 3 tries only waiting 10 seconds for "security" to stop blinking after the first two tries. Don't ever try to start with "security" blinking.
Good luck!

Posted on Jan 29, 2010

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