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Spark Plug wires

Tiny
DVLNUTS
  • MEMBER
  • 2004 MAZDA B3000
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Changed out the spark plugs, wires, and coil and now the vehicle won't start up.
Saturday, February 21st, 2015 AT 3:01 PM

12 Replies

Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Did it run before you changed those parts? It sounds like the firing order is not correct. It should be like this. Check out the diagrams (Below). Please let us know what happens.
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Saturday, February 21st, 2015 AT 3:44 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Sorry the links aren't working. The firing order is the passenger side from front to back is 1, 3, 5 and on the drivers side from front to back is 2, 4, 6 match the cylinder numbers up to the numbers on the coil.
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Saturday, February 21st, 2015 AT 3:51 PM
Tiny
DVLNUTS
  • MEMBER
  • 6 POSTS
The coil doesn't have the numbers on it. I've seen four different orders for the same truck so I'm not sure what that order would be on the coil
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Saturday, February 21st, 2015 AT 3:54 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Did the coil that you removed have numbers on it?

This guide can help

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.
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Saturday, February 21st, 2015 AT 6:04 PM
Tiny
DVLNUTS
  • MEMBER
  • 6 POSTS
No sir, it didn't
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Saturday, February 21st, 2015 AT 6:11 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Ok, on the left side of the coil from front to back the order is 1, 2, 3. On the right side of the coil front the front to back the order is 5, 6, 4. According to all of my information systems this is the only firing order for the vin u 3.0 for that year. Please let me know how this works out for you.
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Saturday, February 21st, 2015 AT 6:11 PM
Tiny
DVLNUTS
  • MEMBER
  • 6 POSTS
Switched up the wires and still won't start up.
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Sunday, February 22nd, 2015 AT 9:28 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
If it ran before the tune up, and now the firing order is correct maybe you got a defective coil. Do you still have the old coil?It did run before right? Try the old coil back on the truck and see if it starts.
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Sunday, February 22nd, 2015 AT 9:39 AM
Tiny
DVLNUTS
  • MEMBER
  • 6 POSTS
Swapped out the coil and still won't start
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Sunday, February 22nd, 2015 AT 11:07 AM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Just to clarify, the vehicle ran before the tune up, yes or no?
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Sunday, February 22nd, 2015 AT 11:59 AM
Tiny
DVLNUTS
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Yes sir
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Sunday, February 22nd, 2015 AT 12:07 PM
Tiny
HOMER1967
  • MECHANIC
  • 875 POSTS
Have you unplugged the coil and checked to make sure that none of the terminals are bent or broken? Also check for any loose wires in the plug.
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Sunday, February 22nd, 2015 AT 12:43 PM

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