1999 Volkswagen Jetta GLS 2.0L MIL Lamp on
i replaced the front o2 sensor after testing the operation via my lab scope ,cleared the codes and redrove it no codes. i got the car back 2 days later with check engine light back on , only code 17990 was back. ran the diagnostics, and found the maf reading w...
FIX posted 3/4/2004
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Message Closed w/FIX
Vehicle Data1999 Volkswagen Jetta GLS
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1999 Volkswagen Jetta GLS
VIN | 3VWSA29M4X |
Engine | 2.0 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Under Load, Idle |
Trouble Codes
17990 | idle adapt at limit |