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1999 Cadillac DeVille 4.6L MIL Lamp on
Vehicle has Code P1646 Control Vent Solenoid Circuit Problem. When Vehicle first came in we did smoke test and found fuel cap cracked. Replaced and customer drove for several weeks and about 200 miles before light came on again. Smoke test again and ran test o...
FIX posted 4/16/2010
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Message Closed w/FIX
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9 Replies Received
9 Replies Received
Related Documents & Media | VIN | 1G6KE54Y1X |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1646 | Hydraulic Cooling Fan Control Circuit Low |
Message Closed w/FIX
Vehicle Data
1999 Cadillac DeVille
| VIN | 1G6KE54Y1X |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P1646 | Hydraulic Cooling Fan Control Circuit Low |
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