
1999 Toyota 4Runner Limited 3.4L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on
This 99 Toyota [...] has a PO171 System lean code, fuel trim is going crazy, smoked the system, no leaks found, fuel pressure is good, no leaks in the air induction system, O2's are good, MAF tests good... Thanks in advance for your assistance. David
FIX posted 12/6/2007
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)14 Replies Received(Hide Replies)14 Replies Received
|
Message Closed
|
VIN | JT3GN87ROX |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpfi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
1999 Toyota 4Runner Limited
VIN | JT3GN87ROX |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpfi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |