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1991 Mercedes-Benz 350SDL 3.4L Poor Idle Quality
Greeting from the Pacific N.W. Haven't posted in a while, thank goodness. We have a chance to be heroes again, aren't we lucky. Engine has a rough/surging idle, very uncomfortable feeling when driving. Not a big RPM surge, but sort of a harmonic vibration. By ...
Summary posted 4/1/2001
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| VIN | WDBCB35D8M |
| Engine | 3.4 L / 6 cyl / DIESEL |
| Trans | 4-speed Automatic |
| Delivery | FI / EDS, Electronic Diesel System |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| 2 | Fuel Rack Position Sensor |
| 3 | Air Flow Sensor |
| 9 | Intake Air Sensor |
Message Closed w/Summary
Vehicle Data
1991 Mercedes-Benz 350SDL
| VIN | WDBCB35D8M |
| Engine | 3.4 L / 6 cyl / DIESEL |
| Trans | 4-speed Automatic |
| Delivery | FI / EDS, Electronic Diesel System |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| 2 | Fuel Rack Position Sensor |
| 3 | Air Flow Sensor |
| 9 | Intake Air Sensor |
Video