|
1996 Cadillac DeVille 4.6L Poor Fuel Economy
All 02 sensors, changed by someone else, due to a MIL, and code set. Since that time customer complaint of poor fuel mileage. Says mileage has gone from mid 20's to 16-18 mpg. Customer is going by the onboard display. Road test seems fine. Car goes like ganbus...
Summary posted 8/5/2004
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 4 Replies Received (View Replies)4 Replies Received (Hide Replies)
|
Message Closed w/Summary
|
4 Replies Received
4 Replies Received
Related Documents & Media | VIN | 1G6KD52Y0T |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Northstar Engine |
Trouble Codes
| RF256 | unknown |
Message Closed w/Summary
Vehicle Data
1996 Cadillac DeVille
| VIN | 1G6KD52Y0T |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Northstar Engine |
Trouble Codes
| RF256 | unknown |
Video