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1991 Volkswagen Jetta GLI 16-Valve 2.0L Poor Idle Quality, Fuel mix. too lean
Hello everyone, We have an intermittent running problem with this '91 Jetta. The fuel mixture will lean way out. When it does the Differential Pressure Regulator current is reading minus 12 mA. It makes no difference whether O2 sensor is plugged in or not. Whe...
FIX posted 7/21/1998
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| VIN | WVWTJ21GIM |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / CIS-E Motronic |
| Symptoms | Poor Idle Quality, Fuel Mix. Too Lean |
| Occurs | Intermittently |
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Vehicle Data
1991 Volkswagen Jetta GLI 16-Valve
| VIN | WVWTJ21GIM |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI / CIS-E Motronic |
| Symptoms | Poor Idle Quality, Fuel Mix. Too Lean |
| Occurs | Intermittently |
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