5.0L General DiscussionThis section is for non-tech specific information pertaining to 5.0L Mustangs.
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can vacuum leak and/or bad o2 sensor cause idle problems?
Why wait? the o2 is a cheap and easy job. Get a can a carb cleaner and spray around intake, throttle body etc to find any leaks.
I'm waiting because the bad o2 sensor has become one with the header so I have to change the header too. a friend tried heating up the o2 sensor but nothing to be done only way is to cut the header pipe so I might as well just wait since I want to replace the entire exhaust system.
for the vacuum I was thinking of using the fog or smoke machine I got from ebay.
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