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Amedee
Amedee, Mazda Technician
Category: Mazda
Satisfied Customers: 24429
Experience:  ASE Technician advanced level specialist. Wisconsin certified emissions state inspector
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2004 Mazda 3: fuel pump..a bunch of 10amp fuses but it wont start

Resolved Question:

My 2004 Mazda 3 2.4 won't start. It turns over, the fuel pump is working, I replaced a bunch of 10amp fuses but it won't start.
Submitted: 5 years ago.
Category: Mazda
Expert:  Amedee replied 5 years ago.
Hello!

Does the check engine light come on with the key on?

Does it go off when cranking the engine over?

Are there any codes in the computer?
Customer: replied 5 years ago.
No the check engine light does not come one with the key on
Not sure what you mean codes in the computer - I'm a normal person not a mechanic
Expert:  Amedee replied 5 years ago.
Well this is your problem! Your computer is not even awake! Chances are you are missing a power or a ground to the computer causing it not to wake up. The only other possibility would either be a bad computer or the computer is being shorted out by another computer or a sensor. I would start by checking all powers and grounds going to the PCM. THis includes all powers from all fuses, fusible links and even from the ignition switch.
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