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my car is stalling when i slow down help please???

97GPJJ

97GPJJ

New member
i put in a new water pump and vacuum line and then all on the sudden my car starts to stall every time i start slowing down but i cant figure it out
its a 1997 grand prix 3800 non supercharged really need help i got a big trip coming up to visit family for christmas and they are really counting on me to be there for it SO PLEASE HELP
 


I have seen a bad MAP sensor cause stalling issues when coming to a stop a few times. Try unplugging it and go for a test drive.

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spraying carb cleaner around the engine vac lines will help find a vac leak, if the idle jumps, you found the leak area.
 
I already told you this guy, check for Vac leaks around the ends of all Vacuum lines while the car is on.

If RPM's spike, you have yourself a vac leak.

As you mentioned, you put in new vacuum lines already, you could of routed one wrong also.
 


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