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Lately Ive had a problem where my engine would rev up and down about 750rpm + or -. The weird thing is that it only happenes on certain occasions. Here is when it happens:
-After starting the engine after its been cold for a few hours or more.
-ONLY with in the first 10-15 mins of driving (always when I leave my house and arrive at the entrance to De Anza College, ALWAYS!!! at the same area!)
-ONLY lasts for a min or so (when Im trying to park so u could just imagine how annoying that is)
-Never happenes again during the day UNLESS the engine has been cold for a few hours
-acts normal before and after the event
So what the heck is happening? I could expect it like clockwork. Is it a compression problem? Head Gasket? Something major? Computer? I really have no idea. Its the SAME EXACT thing every day!
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