Recent content by SCOTTROBIN

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    The Stupid Engine Questions Thread

    I have an 88 gmc seirra with 454 tbi. I recently installed a new exhaust from manifolds back without the tubes. The egr selinoid and valve are still on and it keeps throwing the code. The engine runs like it's clogged up or restricted kinda like when it gets real hot and the fan clutch engages...
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