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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Running Rich When Raining
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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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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
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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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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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