× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1999 Toyota Tacoma Pre Runner 3.4L MIL Lamp on
Posted to Asian Driveability on 9/29/2008 11 Replies

I have a lean code that doesn't appear to be MAF related. MAF is clean and calc load is 82% under full throttle which tells me the MAF is ok. Long term fuel trims are 18% at idle and drops to about 5% during cruise which also tells me that the MAF is fine but ...

11 Replies Received (View Replies)

  Related Documents & Media  1999 Toyota Tacoma Pre Runner

 
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma Pre Runner

VIN 4TASN92N8X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Toyota Tacoma Pre Runner

VIN 4TASN92N8X
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)