Question about 2000 Ford F250 Super Duty Crew Cabs

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My ford f-250 power stroke dont start

Do not have pulse in the injector and do not have signal in the crank sensor

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Depending on the year there was a recall on the crank position sensor so it may be something a dealer will change for you

Posted on Jan 16, 2009

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Well if you dont have a crank signal then the crank shaft position sensor is bad these trucks are known for the crank sensors going bad and its an easy fix

Posted on Jan 14, 2009


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Need a fix for no injector pulse, cam signal, and no start

Have you checked to make sure the security system isn't preventing it from starting?

If not, the cam and crank sensor needs to correlate in order to have injector pulse and spark, so I would start by probing the cam sensor to check for AC current while cranking if there is current ohm the wires to the ecm, if the ohm reading is less than 1 ohm it sounds like a computer problem

Jan 28, 2016 | Cars & Trucks

1 Answer

Wont start. it has injector pulse but no spark

is there power and ground to the coils?

If there is injector pulse than the crank sensor has to be good. Injector pulse and spark are both calculated off from the signal from the crank sensor.

Checking for power and ground to the coils is a good place to start. If that checks out than either there is a wiring issue in between the PCM and the coils or possible the PCM has failed.

Nov 20, 2015 | 2001 Pontiac Firebird Trans Am

2 Answers

How does a crank sencer make it fire

the crank sensor , senses that the crank is turning, and how fast. these readings are then used by the computer to adjust the engine management for best performance.

If the crank sensor is not sensing the crank turning it wont allow the ignition to spark

Feb 25, 2011 | 1999 Ford Ranger SuperCab

1 Answer

Why can't I get spart. Don't have injector pulse.

Loss of injection pulses usually means a loss of an engine timing signal or even the security pack preventing the vehicle from starting.
You need to check all the timing signals, crank angle sensors, cam angle sensors etc and ensure that any security is disabled or turned off.
Check for spark, if you have spark but not injection pulses, then its a timing signal issue. If you dont have spark or injection pulses, also check the ECU (the cars computer) although I do not know of any issues with this make and model.

Jan 14, 2011 | 1998 Ford Escort

1 Answer

I dont know where to find the crank sensor on my truck

4.8 / 5.3 / 6.0 vortec

The crankshaft sensor is a 24X (58X on 2004 and later engines) pulse sensor that controls ignition coil firing and injector pulse. The 24 tooth reluctor wheel is mounted on the back of the crankshaft. This location is known as the "quiet" deflection zone that minimizes any false signals to the pcm that can be misinterpreted as a fault. As with the CMP, the crankshaft sensor is a magnetic sensor that has the field interrupted by the passing the the teeth on the reluctor. This signal is conditioned by the sensor circuitry so I can be properly used by the pcm.

The pcm constantly times the pulse intervals it receives, in conjunction with the CMP to resync the point of the #1 firing stroke. Any changes to the timed intervals at each firing order stroke is read by the pcm as a change in crankshaft velocity. Using the other sensors such a MAP, and TPS, the pcm can determine the changes in crankshaft speed when the engine is accelerating or decelerating, within normal operating conditions, and when the changes are outside the normal parameters, the pcm detects this as a misfire, and the appropriate DTC is set. A loss of this signal will result in a no-start or no run condition.eek.gif

The location of the CKP is on the right hand side above the starter.

On the 4.3 vortec, it's located on the front bank2 of the engine by the crank shaft.

Thank you for using fixya

Dec 16, 2010 | 2001 Chevrolet Silverado 2500HD

1 Answer

My 88 f250 is not leating fuel in through the injectors but the fuel pump is working what could it be?

If you have fuel pressure then the ECM is not sending out signal to pulse the injectors. This is usually a problem with the crank sensor not sending siglal to the ECM telling it the engine is cranking. If you get no crank signal the injectors will not pulse.

Nov 20, 2010 | 1988 Ford F 250

1 Answer

1999 Jeep Grand Cherokee Larado wont start. Cranks, but injectors do not pulse( fuel rail has pressure.)

If computer sees no crank sensor signal it shuts down pulses to the injectors. But, you bring something new into the mix. Make sure fender grounding is good so the relay can operate properly and make sure power going to it is not restricted by a loose or dirty contact on the power side.

Oct 22, 2009 | 1999 Jeep Grand Cherokee

1 Answer


you should have the pcm scanned for dtc's... probably a bad crank or cam sensor

Oct 14, 2008 | 2000 Ford F250 Super Duty Crew Cabs

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