codes on 1999 Chevrolet Corvette

PO141,PO161 PO171,PO174

by in Lakeland, FL on March 21, 2011
1 answer
ANSWER by on March 21, 2011
P0141 refers to the bank1, sensor 1 heater circuit. P0161 refers to the bank2, sensor 1 heater circuit. P0171 bank 1 system too lean. P0174 bank 2 system too lean. Get the system checked out by a Corvette or GM specialist. I doubt that all 4 oxygen sensors failed unless there's excessive oil or coolant in the exhaust stream. If you want to find a specialist, here's a directory link for you: https://repairpal.com/directory?address=33813&car_brand_names=Chevrolet
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