
2000 Chevrolet Silverado 1500 4.3L Hesitation
I need some help. THis truck came in comlaing of losing power. Fuel pressure is at 60 psi. O2 are reading around 30 mv @ idle and fuel trim is 190. If I unplug the maf the the o2 read around 800 mv and fuel trim run around 128. I have replaced the maf twice no...
FIX posted 5/10/2008
![]()
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)16 Replies Received(Hide Replies)16 Replies Received
|
Message Closed w/FIX
|
VIN | 1GCEC14W6Y |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation |
Occurs | Not Applicable |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Silverado 1500
VIN | 1GCEC14W6Y |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Hesitation |
Occurs | Not Applicable |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |