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2007 Tahoe - code, starting, idle issues
Hi all, I have a 2007 Tahoe w/105k. 5.3L. I have made no mods except a K&N air filter. First issue: About 5k miles ago I started to get a P0121 code. After researching this, I came to the conclusion to clean the MAF. I did this, it worked for about a week. I cleaned it again, it worked for...- txss
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- fuel pump hard start p0121 throttle body
- Replies: 8
- Forum: Technical Discussions