Metallic Clunk When Shifting From Park to Reverse: Every Cause and How to Diagnose It
A metallic clunk when shifting from Park to Reverse is most commonly caused by slack being taken up in a worn driveshaft U-joint or a loose inner CV joint on FWD vehicles, but it can also come from a collapsed transmission mount, a cracked flex plate, loose torque converter bolts, or worn differential backlash, all […]
P0138 Oxygen Sensor High Voltage Bank 1 Sensor 2 on the Honda Civic: What It Means and How to Fix It
A P0138 code on the Honda Civic indicates the downstream oxygen sensor (Bank 1, Sensor 2, located after the catalytic converter) is producing a voltage reading that remains continuously above 0.9 volts, and the most common cause on the Civic is a failed sensor whose internal element has degraded and is biased toward the rich-indicating […]