If car shakes when idle the reasons is that once of the cylinders is misfiring. For the normal engine to run smoothly the engine cylinder must fire properly, the firing of each cylinder must be in the correct sequence.
When there is engine misfiring on one or more cylinders the engine balance will be thrown off. When this happens each cylinder inside the engine is not firing correctly and this can cause the engine not to run smoothly.
Black smoke from exhaust of car comes out while you are driving indicates that the car air fuel/ratio is too rich, when a car air/fuel ratio is too rich, more gas is being burned from a car's engine combustion chambers.
When car backfires shortly after starting and usually occurs on wet condition, then this is a sign of problem of moisture inside the distributor cap. Moisture is the results of condensation from the air humidity, and interferes with the ignition system thereby causing the engine backfires shortly after starting.
When the car stall if the engine is abnormally hot, this often cause by a vapor lock occurred on the engine. Vapor lock happens when a gas going to the engine starts to boils before it reaches the combustion chambers.
When the car jerks during acceleration occurs when the temperature is cold or the engine is cold, this only indicates a problem on the distributor cap. Moisture is formed inside the distributor cap during the night when the weather is cold or when it’s raining.
For Oldsmobile cutlass stalling during idle with fuel injection engine is either caused by a bad idle air bypass valve, a bad cold start valve or a bad fuel pressure regulator. To establish which one is the possibilities try to do the following car diagnostics.
If the problem only occurs during or after raining, then the possible problem is moisture on the distributor cap. Moisture results from the humidity in the air, if the distributor cap contains moisture, this will interfere on the ability of the ignition system to operate properly and will result to engine backfires.
The real problem here is that, why the car engine misfire? Engine misfiring can cause by a lot of factors and it is very difficult to test. However, there are only two common reasons that usually causing the problem, first is a vacuum leak and the second is a bad spark plugs or spark plug wires.
Rings on the engine prevents the oil from entering into the engine combustion chamber, when the rings are bad oil starts to enter the combustion chamber and burns that is why there is blue smoke that comes out the exhaust.
A pinging sound is an indication of a car engine related problems there are several cause why the engine produce pinging sound. However, if you notice the pinging sound occurs after your car is filled with a gasoline then this means that the problem is related to the type of gasoline you just filled on the car.
A high mileage car with gradual lack of power on all road conditions, flat road or uphill, is and indication that the car has weak compression. Compression is when the air/fuel mixture is squeeze inside the car combustion chambers.
Car stalling occurrence while driving uphill or when cornering is an indication of an out of adjustment float inside the carburetor. All carburetor engines consist of a float that controls the flow of the fuel to the engine, when this float is out of adjustment it can affect the flow of the fuel.
Ticking noise from an engine while running indicates engine that is not fully lubricated. When a car engine is not fully lubricated, it can cause by a two reason, the engine is either lacks oil or has a low oil pressure.
When an engine backfires not only while decelerating but also at any circumstances while driving indicates that there is a possible problems with the engine timing or with the engine valve probably not sealing well.
This kind of problem occurs when you have a leaking radiator cap. Radiator cap keeps your car entire cooling system under pressure, when the radiator cap is leaking your coolant boiling point will become below its normal boiling point thus the coolant will boil easily even the engine is semi-hot.
If your car top speed is significantly less than what it was, then the problem lies with a clogged catalytic converter.
Engine Suddenly Lacks Power
Sudden loss of power is usually cause by a failure on your car ignition system or carburetor.