
2001 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on
Guys this one is driving me nuts. I have good fuel presure I think. My guage is bad but reads about 50lbs at idle, I know its supposed to be 60 but thats not that short. I have smoke tested this thing for vacuum leaks and didnt find any. I have a missfire on c...
FIX posted 10/25/2010
![]()
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)42 Replies Received(Hide Replies)42 Replies Received
|
Message Closed w/FIX
|
VIN | 1GCEC149W1 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2001 Chevrolet Silverado 1500
VIN | 1GCEC149W1 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |