1991 Chevrolet S10 Blazer Tahoe 4.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
I cannot get this truck to go into closed loop fuel control. The only scan data that doesn't make sense is O2 voltage. Snappy scanner shows .453 mv, never changes, regardless of engine temp or engine rpm. By backprobing near the computer(bed-of-nails clip on g...
Summary posted 6/15/2005
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 6 Replies Received (View Replies)6 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/Summary
Vehicle Data1991 Chevrolet S10 Blazer Tahoe
|
Message Closed w/Summary
Vehicle Data
1991 Chevrolet S10 Blazer Tahoe
VIN | 1GNDT13Z0M |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / TBI |
Emissions | US Fed emissions |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |