× 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 Chevrolet Tahoe 5.7L Poor Idle Quality, Hesitation
Posted to GM Driveability on 3/1/2013 28 Replies

Hello all, need some help here. Vehicle came in for poor performance. Determined #7 cylinder leakage through exhaust valve. Removed cylinder heads and found severly bent exhaust vavle, performed valve job and reinstalled.

After repair we noticed it running n...

28 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Tahoe

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe

VIN 3GNEK18RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Tahoe

VIN 3GNEK18RXX
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation
OccursCold, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0172Fuel System Too Rich (Bank 1)