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1999 Jeep Grand Cherokee Laredo 4.0L Poor Fuel Economy
customer problem: 13mpg always except after o2 replacement 18mpg for one tankfull then returned to 13mpg. history: bought 8-28-99. 4-21-00 o2 replaced 18mpg. 5-3-00 rough idle gas mileage return to 13mpg. 5-5-00 o2 fuse replaced mileage still 13mpg. jeep also ...
FIX posted 10/5/2000
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Related Documents & Media | VIN | 1J4GW5897X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Cal 4WD |
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Vehicle Data
1999 Jeep Grand Cherokee Laredo
| VIN | 1J4GW5897X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
| Misc. | Cal 4WD |
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