Question about Nissan Sentra
There are quite a number of reasons for the engine to die off and we need to check them one by one.
If there was no recent scheduled checkup done for the clocked mileage there are sections in the electrical, fuel and engine settings that will need a close look.
So starting from the electrical section, we need to check the starting current of the battery, If there is poor cranking then the residual voltage will be quite less for a good spark. so check the spark for a high intensity voltage, if not the coils, the trigger to coils must be seen .The reciprocating voltage on the coil must be about 12 volts to give the best spark.
If the spark seems good then the fuel section will be our next immediate attention. Check if the filter is clogged , check the pump pressure.Check if the injection pump is calibrated well and confirm to the settings required.The spluttering can be due to poor fuel or poor spark.
Now coming back you must also check if there is any chance of impurities specially water in the fuel. This can also cause the engine to stagger.
Finally you will need to check the spark timing, injection timing, compression of cylinder, valve settings if the above checks seems good.
Please check this link for some more tips: Engine starting
Posted on Nov 12, 2010
I'll need the make, model and engine size in order to assist you better. In the mean time, check the battery charge and cables, change the fuel filter and check the fuel pump pressure. Also look for loose or disconnected vacuum hoses. Thanks
Posted on Nov 12, 2010
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Posted on Jan 02, 2017
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