Question about 1991 Buick Park Avenue
NOPE 1991 MODELS DID NOT HAVE ANTI THEFT SYSTEM.YOUR PROBLEM MORE LIKELY THE BATTERY OR STARTER .CHECK BATTERY CABLES MAKE SURE THEY ARE CLEAN TIGHT ALSO CHECK BATTERY VOLTAGE IT SHOULD BE 12.5 VOLTS.IF NOT BATTERY BAD IF BATTERY OKAY THE STARTER SOLENOID OR STARTER DEFECTIVE.
Posted on Jul 16, 2010
I have a 91 buick park ave ultra.... And yes it does have an anti theft system. And yes it will cause the car to not run. I am 100% sure of this. My car suddenly broke down a couple weeks ago. When I would put the key in the ignition and attempt to start it, the lights would flash on on the dash but it would not turn over. before i learned of the anti theft system in my car- which is called a VATs system, all buick park aves that are 1991-1996 have one of two systems in it. either the VATs or the PASSkey II system. But before knowing of this system I bought and replaced my starter, neutral safety switch and my ignition switch. all of which failed to correct my problem or make a difference at all. the codes I got when I scanned was 22 TPS low voltage and 31 the PNP switch. After all of this failed a friend asked me about the chip that is on my ignition key. I checked into that and learned of the VATs system which my car has. I came across a website which is www.likeabigdog.com this is where i learned what happens when the VATs system malfunctions. it was exactly what was going on with my buick. on this site it gives you easy instructions on how the system works and a fast, easy , and cheap way to bypass the anti theft system. I did what it said to do. it took me 20 min and cost me 40 cents and when i completed the instructions on the site...my car started right up. So check out the website and click on the link for VATs system. and do as it says. It work great. save yourself alot of time, money and frustration. I learned the hard way. So I dont know where the person who replied to this problem and said that this car has no anti theft system is getting their info from.....but they better find a more reliable source ..... I promise you that i am 100% sure that this car does in fact have an anti theft system. good luck MissLD
Posted on Dec 12, 2010
I have a 1991 parkavenue eng. code L, it has a security light, this has a passkey system that when you try to start the car it wont even turn over, there is a chip inside of the key that has to match up to the passkey box behind the glove box.
Posted on Aug 18, 2010
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Posted on Jan 02, 2017
u need to reprgram ur key with the inmobilizer on the streering column, need to take the car to a dealership or to a certified mechanic that knows how to reprogram the sistem
hope this helps
Posted on Nov 10, 2009
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