I have a 99 century with a 3.1l v6 in it and it sets of the service engine light when it rains and it will come up with the code p0172 the system to rich on (bank 1) any ideas on what would be causing this would be appreciated.
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Sounds like a nick or something in the wire for the bank 1 O2 sensor.-Brad-
89 Mustang : Future 60V6 Power
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i havent looked into it that deeply but ill have to check that this weekend so i can put my gto back in the garage thanks for the suggestionComment
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check the downpipe gasket. it could be reading false air from a worn out "ring" style gasket.[SIGPIC]
12.268@117... 11's to come!
turbo 3400: 358whp and 365tq at 9 psi
ASE Master Technician. GM Certified.
http://www.youtube.com/watch?v=7ibU1k8UZoo
http://www.youtube.com/watch?v=GUqJyopd720Comment
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maybe water is getting into the plug and shorting things out. look at the weather seal in the plug.Andy
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fastest 1/8: 10.19@ 67.17
fastest 1/4: 16.16@ 82.70
62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.
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