p0171
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High fuel trims and intermittent P0171
Hey guys, I’m absolutely at my wits end chasing this so I think it’s time to reach out. Car is a 2015 non PP. Has 160 t-stat, 542 plugs, 3 bar map, EPP dual intake and hot pipes, LMS catted downpipes, corsa cat back, LMS HPFP, GH Intercooler, AD trans mounts, and running a GH tune. I’m having...- Subietech
- Thread
- 2015 long term fuel trim p0171
- Replies: 25
- Forum: Generation 4 - Maintenance & Troubleshooting
