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You can help your Trumbull Mobil Service Center service technician diagnose your car's problem by identifying some common symptoms:
| DESCRIPTION |
POSSIBLE PROBLEM |
Heavy, thick odor, often accompanied by white smoke from under the engine compartment or from the exhaust pipe
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Burning oil |
Burning material or rubber odor
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Overheated brakes or clutch |
Acrid burning odor, similar to burning plastic
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Electrical short circuit |
Continuous, heavy sulfur odor, like rotten eggs
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Emission system |
Sweet smell, most often accompanied by steam
from the engine compartment
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Antifreeze leak |
| Metallic smell, usually accompanied by antifreeze/coolant smell |
Overheating |
The following terminology can help you describe symptoms your car may be experiencing:
| TERMINOLOGY |
SYMPTOMS |
| Cuts out |
Complete but temporary loss of power. Engine stalls at, irregular
intervals. May occur repeatedly or intermittently. Heav accelleration most often worsens the symptoms.
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| Dieseling |
Engine runs after ignition switch is shut off. Runs unevenly and often produces knocking sounds.
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| Hesitation |
Momentary lack of response as accelerator is pressed which may cause a stall. Though it is usually most severe when starting from a stop, it can occur at any speed.
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Idling Rough |
Engine runs unevenly or shakes at idle speed.
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| Missing |
Pulsation or jerking that varies with engine speed. A
steady spitting sound at idle or slower speeds can be heard. Not normally felt above 35 mph.
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| Predetonation |
Mild to severe ping, usually worse under acceleration and load. Engine
makes sharp, metallic pings that change with increased throttle.
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| Sluggish |
Engine produces reduced power under load, traveling up inclines, or at high speed. Reduced accelleration and speed will be noticed.
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| Stalling |
Engine stops running at idle or while driving.
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| Surge |
Vehicle accellerates and decellerates with no change on accelerator pedal. |
Please send any additional questions toTrumbull Mobil Service Center.
The above information is a general reference. If you experience any problems with your vehicle, it should be brought to Trumbull Mobil Service Center or the closest qualified service center as soon as possible.
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