Could be your fuel pump. Vortec engines are very touchy
with fuel pressure
Misfiring means it is not firing on all cylinders. Bad plugs, plug wires, burnt valve, blown head gasket, defective injector are possible causes. Or a combination of more than one of these.
There is no firing order with datsun injection. It is a "batch fire" system. That means when 1 injector fires they all do. The system gets a signal from the ignition coil as to when to fire.
It possibly has an engine misfire, one of the spark plugs is not firing, or not firing correctly. It could also have a partially clogged fuel injector. If the car has had a timing belt service done recently, it may be possible that one of the counterbalance shafts is out of time.
Hi, it is part of the injection timing system, it sends a signal to the ecu to help it work out the firing point of the injection pump. Another sensor works off a trigger on the flywheel.
Injector firing is determined by the ECU (engine computer). Many early electronic injection systems used a gang fire technique, where all injectors were fired at the same time, once for each complete ignition firing sequence, and some were bank fire, (V type engines) firing each bank once per ignition cycle. Most modern engines are now sequential fired, where each injector is fired individually, at a specific time interval prior to that cylinders ignition event.
The difference between the 5.0 and 5.0 HO is primarily in the firing order. The HO shares the same firing order as the 351W. You would need the cam for sure. If you are running a carb and pre computer ignition you'd just need to change the routing of the plug wires. Fuel injection would require the correct programming in the computer. I suppose it would be possible to fool the computer by re-routing the injector wiring to the appropriate injector for the HO firing order.
Probably have a bad ignition coil Which cylinder is not firing?
the harness could be bad on that injector chech to see if its firing and if it is then the injector is bad
No the gage has no effect on firing. An engine that is overheating will misfire.
this could be caused by a fuel problem, not spark. check to see if your getting spark to the plug. ck to see if the injector is firing, and run a compression test on that cylinder
It depends on what you mean. If you mean an actual misfire, that is caused when the primer does not ignite. That is normally caused by a firing pin problem, or by a bad primer.
misfire on adjacent cylinders in the firing order.