Okay, so my Mazda Bravo has been a small project I have been working on as my first car, and since we have had it it has had a small idle problem. When randomly the revs will drift up to around 1,500 then drop down again, as well as it has what I would describe as a sticky rev, so the revs don't go down as soon as my foot is on the pedal, they stay up for a bit then go down. Work we have done on the car so far has been,
a head replacement, new radiator, thermostat, water pump and a new camshaft,
from my research I think it could either be the fuel filter or a vacuum leak. But I need some more mechanically minded people to help identify the issue.
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Sunday, May 31st, 2020 AT 6:51 PM