The
following are the general instructions on the start of diagnosing any
electronically controlled engine or transmission problem. The
engine and the automatic transmission (transmission control is
only for automatics, engine is still computer controlled no matter
the transmission type) in this vehicle are computer controlled and in
most cases when a fault occurs a fault code is stored in the memory
of the computer control module. There are exception to this, such as
the Mass Airflow Meter and fuel pressure problems. What must be done
is to have all the basic testing done such as a scan of the system
for fault codes as well as a check with a live data scanner tool for
engine functions that are not within range of normal, a trained
technician is required to know what is correct and what isn't, then
based on careful diagnostics done from a factory repair manual the
correct part is replaced or the wiring repaired or the computer
replaced (known as the PCM or ECM,ECU), which is very rarely the
problem. Other basic checks must be done as well such as mechanical
problems with the engine as well as engine state of tune and mileage
on the engine. The transmission can have mechanical issues as well
such as no gear engagement at all or a failed pump or other pressure
related problems. Also engine mechanical problems can and do cause
many drive-ability related problem such as rough idle and other
symptoms.
SOURCE: 1998 nissan 200sx 1.6l car wont start has fuel and fire
what you need to check is are you getting any spark at the spark plugs, to do this, unplug one of your spark plug wires at the spark plug, find a screwdriver that will fit inside the spark plug wire housing, make sure your screwdriver has a insulated or non conductive handle, hold the steel shank of the screwdriver about 1/8"-1/4" from your exhaust manifold and have someone crank the engine, just for a second or two, look to see if there is spark jumping from the screwdriver shank to the manifold, if there is, then you eclectically is probably OK.
second you need to check your fuel, you really should have a fuel pressure gage but for now lets just do a preliminary check.
find your fuel line going to the intake manifold (steel tubing 5/16"-3/8" diameter) you need to disconnect the line somewhere between the fuel pump and the intake manifold. you'll need a can.
hold the can under the fuel line so fuel doesn't go everywhere, then have someone crank the engine, if it is an electric fuel pump you wont need any help, all you'll need to do is turn the key on and it should start pumping fuel, the fuel discharge should be very noticeable, it will really start coming out fast and furious.
If you don't have fuel coming from the line or very little, your fuel pump or fuel filter is probably bad.
alot of vehicles will stop running on just a plugged up fuel filter, but normally it will give you some warning, like your engine will start to miss or loss of power on hill or accelerations. If you haven't experienced any problems until now, i doubt its the filter.
see if you can check those two items out and let me know what you find
buy the way, alot of the newer vehicles on the road today use special connection clips to connect fuel lines, you may need a tool to get the line disconnected, there little plastic tools in different sizes depending on the size of your fuel line. if you need one and your doing this yourself, borrow one or at the automotive house ask for a fuel line quick disconnect tool. i don't think there alot of money. make sure your car isn't out of gas.
good luck and let me know how you make out.
would appreciate your feedback, please
SOURCE: 2005 nissan frontier wont start i have fuel and
Take one of the spark plugs out and let us know what it looks like. Dry and light grayish tan means you have spark but fuel supply problems. Wet spark plug that smells like gas means it is more of a spark issue.
Good Luck
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