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1996 Volkswagen Jetta GLS 2.0L Poor Idle Quality, MIL Lamp on
checked ohms in evap regulator valve. came up as 25ohm also checked all vacume lines check ok. the intake had oil in the throttle body, mass airflow and induction hose. cleaned all oil out. it idles at 840 rpm. code still come up
FIX posted 12/13/2007
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Related Documents & Media | VIN | 3VWSA81H2T |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| 17990 | idle adaptation at limit |
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Vehicle Data
1996 Volkswagen Jetta GLS
| VIN | 3VWSA81H2T |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / MPI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always, Idle |
Trouble Codes
| 17990 | idle adaptation at limit |
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