Hi Carla Jones. Welcome to the forum. First lets take care of some confusion to be sure we're talking about the same things. "It will not crank back." Do you mean the starter doesn't crank (spin) the engine? If so, do your hear any sounds when you turn the ignition switch to "crank". Are the dash lights or head lights dim? If these sound like your symptoms, the alternator may have stopped workng. As the battery drains, the elctric fuel pump and the rest of the electrical system will stop working and the engine will stall. You would have also seen the "Check Gauges" light on the dash long before this happened.
If the engine cranks fine but doesn't run, that could indeed be due to the crankshaft position sensor or camshaft position sensor. It's more common for the camshaft position sensor to fail, often after it gets hot. Sometimes they will work again when they cool down.
What does "It want even hit" mean? The starter doesn't engage? The engine cranks but doesn't try to run? There is a real common problem that causes the starter motor to make one kind of loud clunk each time the ignition switch is turned to "crank" but it will not spin the engine. That's caused by worn contacts in the starter solenoid. They can be replaced separately, but most people just replace the entire starter. This problem will not cause the engine to stall while driving though. Also, it will eventually crank after cycling the ignition switch between "Run" and "Crank" repeatedly. This problem gets progressively worse over time.
There's some confusion about the use of a diagnostic computer. One of its main purposes is to figure out why an engine won't start or run. The hand-held computer, called a scanner, will display sensor values, switch states (on or off), and other things the Engine Computer is doing. If your Check Engine light on the dash turned on, there will be a diagnostic fault code memorized in the Engine Computer. As long as the battery isn't disconnected, that code will provide valuable information for the mechanic. It will indicate the circuit or system with the problem, not necessarily the defective part.
Caradiodoc
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Thursday, April 29th, 2010 AT 2:34 AM