What is make and model? I didn't see it listed?
If it cranks good, but, won't start, have a helper crank it while you visually check for spark at the spark plugs, gasoline engine. Use a gage and check proper fuel pressure, engine cranking. Also, check for fuel injector pulse.
Can you check for applicable trouble codes?
SOURCE: 93 jeep grand cherokee 4.0 L wont start.
start by tracing the wires back to the computer checking for breaks in the wire or corroded terminals
SOURCE: 1990 montero no start. No power to open injectors, good fuel pump
Check the injector pulses with an osciliscope. If you arent getting a pulse check the ecu. I have cooked 2 of them. One killed my ignition but had good fuel. the second time it wouldnt open the injectors but had good spark. A quick check is to take the ecu out and take the cover off. then look for burnt electrical components.
SOURCE: 1994 Dodge Ram 1500 5.9 (360) won't start new fuel pump, coil??
Maybe check ignition control modual.
SOURCE: 1993 Jeep Grand Cherokee Fuel Pump?
Between 100-140 thousand miles the fuel pumps go out on the 1993 cherokee. Its a fact. All parts are manufactured with the knowledge that it will last for a specific period of time then it dies. The relay switch was helpful for a brief while because there was still some juice in that pump, but now that it is gone it is gone.
If you don't see the fuse box under the dash in the driver leg area or beneath the radio check for a covered box under the hood. There should be a fuse spec guide on the lid of the box that tells you where specific wattage should go and for what purpose. But, your fuel pump problem will not be solved by a new fuse.
SOURCE: Cranking but doesnt start, or intermittently not starting
My car does the same thing...sometimes it wont start....have to turn the key off then when I crank it again it fires right away. Possible that the in tank fuel pump pressure regulator isn't building to the proper pressure. Nissan did post a recall....under warranty *recall* I might add.... there is an updated pump that will cure the problem but since you most likely are out of warranty it will cast $400+ for the part plus labour if you can't install it yourself. Call nissan to verify if your car is affected by referencing your VIN with them. Dave.
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