Your comments about no idle change and strong suction tells me you probably need to start with the AOS. The best diagnostics for the AOS is to used a digital manometer connected to an oil fill cap to measure the vacuum level, which should never exceed five inches of water (a relatively weak vacuum signal).
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
|