VoxVeritatis
Well-Known Member
crown: Hope your weather's better than ours (-10 wind chill) or you've got that '97 in a warm garage. Let us know what you discover.
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I would like to if is free. I try to check back pressure but everything is rusty and old I cannot remove my O2 sensors. I think is still OEM. Honestly I updated many things things. I have cat’s and fuel pump. But pressure is ok 32psi 38psi when I remove vacuum from FPR at idle and 40psi when I driving.Yes it absolutely could be. Take it to an exhaust guy have him do a back pressure test. They usually do it for free.
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