P1087 Possible Causes
- Faulty O2 sensor, Bank 1 Sensor 1
- O2 sensor, Bank 1 Sensor 1 wiring open or shorted
- Poor electrical connection in Bank 1 Sensor 1 O2 sensor circuit
How to Fix Code P1087?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Illuminated engine light (or service engine soon warning light)
P1087 Meaning
Slow response from O2 sensor circuit in lean control range, Bank 1 Sensor 1 is the generic description for code P1087, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about OBDII code P1087.