
1990 Chevrolet C1500 Cheyenne 5.7L Excessive Emissions
Hello all, I've hit a wall. This is what I've got, hold the throttle at 2000rpm, o2 volts go to .030 sometimes less. Scan data shows integrator at 128, block learn at 117, coolant temp 185f, CLOSED LOOP operation, 1.5ms injector pulse width (checked with lab s...
FIX posted 11/30/2007
![]()
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)17 Replies Received(Hide Replies)17 Replies Received
|
Message Closed w/FIX
|
VIN | 1GCDC14K2L |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / TBI |
Emissions | Calif. OBD-1 |
Symptoms | Excessive Emissions |
Occurs | Always |
Misc. | Prom Id# 9481 |
Message Closed w/FIX
Vehicle Data
1990 Chevrolet C1500 Cheyenne
VIN | 1GCDC14K2L |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI / TBI |
Emissions | Calif. OBD-1 |
Symptoms | Excessive Emissions |
Occurs | Always |
Misc. | Prom Id# 9481 |