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Skyvisions, ASE Certified Technician
Category: Toyota
Satisfied Customers: 14422
Experience:  Toyota Master Diagnostic
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How do you fix codes po171 &174

Customer Question

how do you fix codes po171 &174
Submitted: 1 year ago.
Category: Toyota
Expert:  Skyvisions replied 1 year ago.

Do you have a code reader that reads live data from the engine control computer? If you clear these codes to the come right back? Did you fill up with fuel recently? How many miles are on the car? Has there ever been any other codes besides these two set?

Customer: replied 1 year ago.
the car has 246,000 miles the codes were read by obd 2 diagnostic tester and yes there been other codes cleared at dealer.
Expert:  Skyvisions replied 1 year ago.

Do you have those other code numbers? Do you have the VIN available?