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Run ability issue

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Old 04-26-2016, 09:50 AM
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Default Run ability issue
Hey guys. Buddy of mine has a 06 5.3 in a 54 Chevy pu. Motor has about 50k on it. Everything is either mint or new. Runs like crap. If you pull plug wires 1-5-7-8 off one at a time, it makes no diff on how it runs. The other 4 do. Same with the inj wires. Has spark and pulses!!! Any suggestions?!?!
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Old 04-26-2016, 09:52 AM
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Have you tried a compression check?
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Old 04-26-2016, 10:04 AM
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yes, all are 185
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Old 04-26-2016, 10:10 AM
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Do you have the coil connectors on the wrong side? The main plug for each bank, it sounds like they might be reversed.
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Old 04-26-2016, 10:14 AM
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All colors are corisponding to there rightful cylinders. Ugh. We've checked what seems like ever possibility but still nothing!
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