Evo has been running like crap lately, my vacuum readings have been jumping from 20 to 13 at idle. Anyone know why this is happening? Did a boost leak test and found nothing



http://s1241.beta.photobucket.com/us...108-1.mp4.html

 

curious as to why you have a vacuum gauge and a boost/vacuum gauge. Your car honestly sounds like it's running on 2 cylinders. Have you checked your plugs, injectors? Compression test? Your vacuum surge is very erradic.

 

Something is seriously wrong with that Evo of yours. =/

 

sounds like a burnt valve. remove spark plugs and perform a leak down test.

 

i had a vacuum gauge laying around so i put it in to see what was going on.... i have not checked my plugs yet and ordered new ones. injectores havent been checked either. i havent gotten a compression test done since i got the car about a year ago but back then it was fine nothing was wrong

 

So are you getting a compression check soon?

 

Check your plugs

 

Getting a compression test done friday

 

well, checked my spark plugs today and they looked fine but one thing i did notice is that i have the bpr6eix iridium spark plugs instead of the bpr7eix plugs i thought i had. Anyway im thinking could this be part of my problem since i am suposed to be running a step colder with the mods i have? running 23 psi btw

 

Anyone have any ideas? ^^