Question about 1990 Buick Century

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Stalls out My 1990 Buick century stalls out when in park after idling for a minute or two and stalls out when brake is applied.  last night it did this everytime I had to stop or make a slow turn it also started shaking a bit but if i released gas a little bit it would stop.  i thought the shaking might be the cvu joint as it needs to be replaced but it started doing it on straight aways and hills also but would still stop shaking if gas was eased up on.  Closer to home when it was stalling the only way I could get it to stay running while I put it in drive was to have one foot on the brake and the other on the gas.  Is this a matter of changing the fuel filter or is it something more complicated?

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  • kharvey Oct 03, 2008

    did you solve this problem with your buick? if so, please let me know what it was. i have dealing with the same thing with my 90 buick century. 


  • risinson18 Oct 07, 2008

    i too am looking for a answer to that problem as well. i also have a 90 buick century

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4 Answers

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Lisalavin,

You said,

My 1990 Buick century stalls out when in park after idling for a minute or two and stalls out when brake is applied. last night it did this every time I had to stop or make a slow turn it also started shaking a bit but if i released gas a little bit it would stop. i thought the shaking might be the cvu joint as it needs to be replaced but it started doing it on straight aways and hills also but would still stop shaking if gas was eased up on. Closer to home when it was stalling the only way I could get it to stay running while I put it in drive was to have one foot on the brake and the other on the gas. Is this a matter of changing the fuel filter or is it something more complicated?

It can be one of many things causing this!
1. Low idle, needs to be raised
2. A vacuum leak, needs to be diagnosed.
3 The choke, if it's when it's cold or the engine is cold and not up to running temp.

4.But, I'll l bet it's a idle sensor

Or last and probably NOT a broken baffle in the cat converter!
this usually happens more often not just with the stop but even when driving!

Bless you,
huuum
You really need a good honest HANDS on diagnoses!

please give me a god rating before you sign off


Posted on Sep 12, 2008

Thanks to all of you for the suggestions.  we have tried a few things and are still unable to get it to work, so we have decided it is just not worth the trouble as it has been one thing after another with this car so we have decided to scrap it and get a mini van as with having a 5 year old and an 8 month old you need more room, but thank you to all of you for the help, I appreciate it very much.

Posted on Oct 06, 2008

I had the exact problem. There's a control solenoid in the transmission that has worn out. It's inside the transmission and kinda hard to get to. Your local dealer can fix this for a pretty penny as usual.

Posted on Oct 06, 2008

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Sounds like you need just a good old fashion throttle body cleaning. Can be done by a professional mechanic for about $35 dollars give or take.

Posted on Sep 12, 2008

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