|
1992 Pontiac Grand Prix SE 3.1L Excessive Emissions
vehicle has excess nox. egr working normal.o2 sens in range. computer in fuel control. precat reading [...]. post cat reading [...] at cruise 25mph question: has anybody ever had higher post-cat nox readings than pre-cat? i thought i learned that nox is formed...
Summary posted 6/20/2003
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 8 Replies Received (View Replies)8 Replies Received (Hide Replies)
|
Message Closed w/Summary
|
8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1G2WJ51T2N |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MPFI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
1992 Pontiac Grand Prix SE
| VIN | 1G2WJ51T2N |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / MPFI |
| Emissions | OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Always |
Video