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Recently had the vehicle tuned and ran great, took the valve cover off to tap a hole for my catch and replaced my hobbs switch on my intake manifold after putting back together getting a p0171 and my fuel trims will max out with 15mins of running. I have checked for exhuast leaks and performed a boost leak test and everything is checking good. It also goes extremely lean under WOT, into the 13s, tune was for 11.8. Any advice would be helpful. SCT is this weekend and I would love to show people what this thing can do.

2.2l
FPblack
Radium dual in tank fuel system 8an feed 6an return
id2000 on E85
 
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