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    '97 Vortec 350 Engine performance

    Okay I will work on replacing just the one sensor for now since I'm a little low on cash at the moment but I will get to the other one eventually. I've heard the best way to remove them is a blowtorch and some Kroil, is this true? I appreciate you guys for the fast response by the way, I...
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    '97 Vortec 350 Engine performance

    If I were to replace the problematic O2 sensor, is just the one okay or should they be replaced in pairs?
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    '97 Vortec 350 Engine performance

    I have a 1997 K1500 Silverado with the 5.7 Vortec engine. For the past 2 months I have been battling this truck. The problem I'm having is that after 30 minutes or so of driving to work it starts misfiring and backfiring. The whole vehicle shakes and looses power. I've found then when this...
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