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Old 11-18-2018, 12:44 AM   #12
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InferiorWang's Avatar
Join Date: Jul 2004
Location: Nashville/Knoxville

I've noticed 3 things that can cause idle roughness on these engines:

1) vacuum leak
2) bad AMM
3) dead in tank fuel pump

If you know your pumps are good and you've tested with a spare AMM, I'd look for vacuum leaks like crogthomas suggested.
"I like anything fast enough to do something stupid in." - Xander Cage, xXx
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