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john -aka eauto
john -aka eauto, The Car Guy
Category: Ford
Satisfied Customers: 15062
Experience:  ase tech over 15 years in the field
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I have a 2001 crown Victoria and the engine turns fast but

Customer Question

I have a 2001 crown Victoria and the engine turns fast but sometimes will not crank, sometimes you can here the fuel pump charging and sometimes it will not charge, I am not sure what the problem is can someone share some thoughts please
Submitted: 9 months ago.
Category: Ford
Expert:  john -aka eauto replied 9 months ago.

Thank you for asking your question on JustAnswer.

We will have to pinpoint what the engine is missing.

Spark

Fuel

Compression

All three of these are tested when the engine is being cranked over. There are two way of checking for fuel. Fuel pressure and fuel trigger. Both are very important and must be present for the car to start. Fuel pressure is self explanatory. You just hook up the gage and see what the reading is. Fuel trigger is check with a noid light. The injector gets unplugged and the noid light gets plugged in to the injector clip. With the engine cranking over, this light must blink. This is the signal to the injectors from the computer. You can have all the fuel pressure in the world, but it wont matter if the injector is not pulsing gas into the cylinder like it should! Compression tester, spark tester, fuel pressure gage and noid light are all accessible at your local auto store. All three tests play a very important part in diagnosing a no start condition

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