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Badly Fluctuating RPM's

SDGTP99

SDGTP99

New member
I got my car home after having the exhaust welded & car checked for vacuum leaks & it idled great for about a minute. The RPM's started to bounce and the car acted like it was going to die on me. I took it for a short drive & same thing happened both with my foot on & off the gas. The check engine light hasn't come on. Could this be a bad fuel pump or something else?
 


Having the same problem hope somebody helps. Just looking through the posts now to see if anyone else has posted this. So far not much luck
 
having a vacuum leak can cause rpm issues. Check all the vac lines for cracks.. and ensure everything is plugged it. Also, check you egr hose connections.
 
Wowbthis post it old. At least it finally got some replies LOL. My problem was a bad maf and vacuum leaks
 


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