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2G Car Idles Fine but Won't Rev

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jim97gst

20+ Year Contributor
482
3
Aug 2, 2002
Bethel Park, Pennsylvania
I had a really strange problem today with my 97 gst. I had just driven it about 12 miles with no issues and then it sat for about 20 minutes. I took it out and almost immediately it would barely rev. It idled just fine. I was only a few hundred feet from my house. I was barely able to get it back in the garage. I had to give it lots of gas. It stalled a few times. It acted a lot like it has when an intercooler pipe coupling blows off. I checked all of the pipes and they seemed fine. That cause seems very unlikely as that has only happened when I've gone full throttle which I hadn't. A few hours later I started it up to try and figure out what was going on and it was just fine. I took it for a short ride with no issues. I have not done a vacuum leak test yet. Any ideas? My first thought was maybe a flaky BOV that was stuck open. I have a Forge.
 
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