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01-26-2007, 11:56 PM
| #1 |
| Junior Member Join Date: Jan 2007
Posts: 2
 | backfiring troubles I have an 87 suburban 5.7 tbi, just started missing and backfiring when I first start it. After warming up for a few minutes it runs fine. I`m having trouble finding the cause...anyone have any idea what it could be? |
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01-27-2007, 08:39 AM
| #2 |
| Full Member Join Date: Nov 2006
Posts: 17
| It could be a few things. First check the EGR valve and oxygen sensor. Both can cause this at start up. |
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