I've changed the front oxygen sensor and it has not removed the service engine soon light....
Feb 6, 2009 at 9:51 AM
2000 Infiniti G20 0170 scanner code
2000 INFINITI G20
ALMONTJA
- MEMBER
- 1 POST
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ZACKMAN
- ✓ASE Certified Mechanic
- 4,202 POSTS
P0170 Fuel Trim Malfunction (Bank 1)
The detection condition for this code is "Fuel injection closed loop correction and learning correction are above the specified value because of system malfunction".
Possible causes include low fuel, pressure regulator malfunction, fuel injector malfunction, fuel pump malfunction, engine coolant temperature sensor malfunction, mass air flow sensor malfunction, heated oxygen sensor malfunction, purge solenoid alfunction, leakage in intake-air system, ECM malfunction, open or short circuit between ECM to fuel injector, intake air temperature sensor malfunction, EGR boost sensor malfunction, or PCV valve malfunction.
Start by checking your fuel delivery.
The detection condition for this code is "Fuel injection closed loop correction and learning correction are above the specified value because of system malfunction".
Possible causes include low fuel, pressure regulator malfunction, fuel injector malfunction, fuel pump malfunction, engine coolant temperature sensor malfunction, mass air flow sensor malfunction, heated oxygen sensor malfunction, purge solenoid alfunction, leakage in intake-air system, ECM malfunction, open or short circuit between ECM to fuel injector, intake air temperature sensor malfunction, EGR boost sensor malfunction, or PCV valve malfunction.
Start by checking your fuel delivery.
Feb 24, 2009 at 2:15 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.