Question about 1991 Buick Park Avenue

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There is a wire that runs down the steering column from the key switch that is a part of the VAT. But make sure that the chip is good in the key first and that all grounds from the battery and ignition is clean and grounding propertly first. The wires will be DK Blue, Yel, Brn. The Dk blue goes to the PCM, so you want to test that one (which should carry 5 volts when attempting to start) if it has 5 volts make sure that the pin at the PCM isn't backed out or corroded.

Posted on Aug 15, 2010


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1996 buick park aveune wont start

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This link will help.

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Oct 02, 2010 | Buick Park Avenue Cars & Trucks

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How much cold start amp should a 95 buick park aveune have?

650 at the least but 800 or more is better putting the least is not always the best,when getting higher amp,there is a lot more reserve in the battery cause you will not use a lot of the amps upon start situations.

Aug 15, 2010 | 1995 Buick Park Avenue

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Where is the kill swicth on 1993 park aveune

the igniton switch is the kill switch

Jun 13, 2010 | 1993 Buick Park Avenue

1 Answer

What is a vat?

Vat stands for Vehicle anti-theft system. If you notice there is a small pellet in the key for your buick. That is a resistor pellet or chip, this was the first attempt at a transponder key. the ksy has one of 17 differing resistor values that is read by the ignition switch and sent to the anti theft computer. The system will not allow the fuel pump and ignition systems to get power unless it sees the appropriate resistence level within specifications.
hope that helps

Aug 26, 2009 | 1991 Buick Park Avenue

1 Answer

Car runs sluggish and stalls

go to autozone have them check codes if not obd2 u can pull codes with a paperclip an jump plug that they plug scanner into an check engine light will flash code autozone will be able to tell u what code is

Dec 17, 2008 | 1995 Buick Park Avenue

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