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Old 02-07-2016, 04:55 PM
alex881129 alex881129 is offline
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Posts: 2
Default Crank but not start

Hello Guys.
I hope somebody can help me with my problem.
I have a 1993 Ford Ranger 2.3L 4 cylinders .
The problem is that when I try to start it, it will only crank but won't start.
If I spray Gasoline by the Air Filter area it will start and won't have any problems at all. I Could spend the whole day driving around perfectly. But any time I turn it off I have to spray gasoline again to be able to start it again.
I tested the injectors connectors with my multi meter and there is no voltage when it cranks.
I have read some forums where people says it could be the Crank Position Sensor , and I have read other that says that could be the Cam Shaft Position Sensor. My truck is "Federal" and I have also read that it doesn't have the Cam Shaft Position Sensor, only Crank Position sensor. (I don't know if that's correct)
It is supposed to be located under the Timing Belt Cover, but I am having troubles trying to get this cover off. I have took off the water pump pulley, the air compressor and I think I need to take the power steering bracket off too, But I can't find the third bolt that is holing it , I have tried to find pictures online but I still have no results.
Please if some body have had this kind of problems let me know how to get access to the crank position sensor, or how to remove that cover.
Thank you very much in advance.
Alex.

Last edited by alex881129; 02-07-2016 at 07:08 PM.
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  #2  
Old 02-08-2016, 06:21 AM
tomw0 tomw0 is offline
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Default Re: Crank but not start

I would be checking fuel pressure & volume as you MUST have spark for it to run when you squirt in some fuel. I would say it is lacking fuel.
Try turning the key from OFF to ON, pausing to hear the fuel pump run, and repeat a half dozen times. The last time, try going on to START. The short fuel pump runs will 'prime' the system, and have fuel ready at the injectors to start the engine. If you have a 'drainback' problem, where the fuel drains back to the tank while the truck sits, repeating the prime will make fuel readily available.
The fuel injectors are pulsed with GROUND rather than voltage, so you won't see volts there except you should see a constant 12v on one side of the circuit when the key is ON. I don't know if there's a logic switch that disables power if the engine won't start as there is for the fuel pump.
tom
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Old 02-08-2016, 05:58 PM
rangergambler rangergambler is offline
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Posts: 933
Default

Replace the fuel pump relay. My old 94 cranked and cranked but not start. I replaced the fuel pump relay under hood and it started right up. Its under the hood near master cylinder...
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