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new headers now vacuum leak

copperpacecar

copperpacecar

SexyStudmuffin
just put new headers on my car and car ran great for 5 minutes and now i have a vacuum leak. sprayed down the motor with break cleaner thinking a hose hit the hot headers but got nothing. anyone know what can cause this and were else to look?
 


the egr is removed..there was a small leak in the exhaust side plug but i repaired and the lim side also got hosed with no improvement. i dont hear any more exhaust leaks but if i did have one would my car act like it had a vac leak?...also is it possible that putting in the headers cracked the heads?
 
Nah You didn't crack the heads. If theirs an exhaust leak at the rear collector slip joint(not sure what headers you have) that's big enough it can Skew the 02 sensors reading because it draws in air.
 
speed daddy headers the cheap ones on sale in the for sale section...checked the collector and dont feel a leak but if it was drawing air i guess i wouldnt...
 


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