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Well.i remembered that when i seafoamed the car a lot of smoke came out the exhaust manifold.i took off the o2 sensor and manifold and the top filter for cat converter looked clean.
Only issue is when bolting it back up i stripped one of the many front bolts.
Also replaced the water outlet gasket and stripped that screw.worst luck ever.even used the brand new torque wrench.
Did another air intake seafoam treatment and it seems to runa lot better.i just had a decent hole in that pipe so car filled up with smoke from that area.theres still a slight hesitation. not as bad.could that exhaust hole do it? Its quite loud and noticeable.
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