It usually means an intake valve isn't sealing. check to make sure the timing belt is okay. if it is, the problem could be carbon build up on the valves. to remove carbon build up, use BG 44K if you can find it, other wise use seafoam. how to seafoam your engine
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It usually means an intake valve isn't sealing. check to make sure the timing belt is okay. if it is, the problem could be carbon build up on the valves. to remove carbon build up, use BG 44K if you can find it, other wise use seafoam. how to seafoam your engine
Your headers(Intake manifold) gasket is worn maybe you are missing a bolt or you may have a cracked manifold.