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Vacume Leak

gunsn88

gunsn88

New member
so my car had a bad vacume leak a couple days ago and my car was running like a washing machine, so i thought i found the problem and there was a cracked end to the vascume hose that goes to the td. so replaced it, it ran very well for the last 2 days but now its acting up again but not as bad. now i have to let the car warm up and rev it a few times to get it back to smooth running conditions. any help because i checked all the hoses and they seem fine. could it be something else? i just put headers in and i have a exhast leak after the cat, and i have a 01 gp gt, just to let u know whats up with it. so any help?
 


thers a vacume hose near the firewall that goes were the fuil injecter rails are, it looks likeit goes around and follows my right side fender well and under my fuse box under the hood. i had to lift the engine a bitwith a jack to get the headers in easear. could that have cracked this vacume hose? idk were it goes after the fuse box.
 
The hose goes to your HVAC inside of the car. On the passenger side, behind the center console. You can see it if you lay on the passenger floor and look behind the center console.
htrcore.jpg
 


nope, no lights blinking at all. and could that conection to the heater core be bad? if so can that make my car choke and run like crap?
 
ok so i checked and its not a leak there. but since i have a exahst leak and i have the headers can me having stock mufflers be the problem plus the leak? or can it be a 02 sencer acting up becauser of the headers? because everythings fine once its warmed up
 
im asuming its because of my exahst leak,im not use to newer cars so idk if the leak would confuse my o2 sencers or any other sencer for that matter. im gona start with the exhast leak and mufflers.
 


so i found the isue, i was sort of right, so for some reason my downpipe is clamped to the exahst before the down stream 02 sencor, i looked underneath and the bracket holding them in place was off and the 2 pipes were almost split apart. im guessing it did this because i lifted my engine with the jack and it messed the exahst lining up. so i corected it and now everythings fine. the car is running very strong now and i can defnitly tell the difference with hte ehaders. i got Speed Dadys, the only thing i dont like is the pipe the does this exagerated dip under the car to the exahst, it grinds sometimes on speed bumps. is theres any way i can change that?
 
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