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Hi all. I just picked up a 91 gt with a 5 speed. So, when I fire my car up it turns over strong... then dies. However, when I give it gas for a minute it will stay on. In doing this I noticed ttat the rpms go from like 600 to like 4-5000. So basically it goes from no throttle response to 4-5000 rpms. Any help will be appreciated. I cant warm my car up without setting my neighbors alarms off :)
 

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sounds like the tps is not reading right.
 

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Possibly a vacuum leak.
 
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