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Get Chopped!
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Discussion Starter #21
That's a lot of reasons! This is for sure a hard one to diagnose.

I can assure that there is a vacuum leak or something related to fuel as the idle is pretty rough and most of the times while cruising around 60 mph it feels like there's a misfire.

One of my friends 5VZ had an issue where it would misfire at lower revs and after replacing the fuel injectors it fixed the issue for him.

It would be better off to take it to a mechanic I believe. Certainly it would have been easier if we could narrow it down to one issue but life doesn't work that way haha!

Thank you for all the responses.
 

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Has the distributor been taken apart and inspected? Check the coil, check the condenser, see if there is any melting or cracks. Look for oil leaking into the cap/rotor area. How do the spark plugs look? You can get an idea whether it fuel or spark related issue by looking at the burn color.
 
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