P1126 2002 INFINITI G20 Possible Causes
- Low engine coolant level
- Faulty thermostat
- Leaking thermostat seal
- Engine coolant temperature sensor
How to Fix P1126 2002 INFINITI G20 Code?
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.
When is the Code Detected?
The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has been running long enough.
Possible Symptoms
Check engine light on (or service engine soon warning light)
P1126 2002 INFINITI G20 Meaning
The engine coolant temperature has not increased enough to open the thermostat even though the engine has been running long enough. This is due to a leaking seal or stuck open thermostat.