1992 Mazda MX3 coil

Tiny
PAMPERS40
  • MEMBER
  • 1992 MAZDA MX3
Electrical problem
1992 Mazda MX3 4 cyl Automatic

i put a brand new coil on and my car still wont start someone said I needed to undo the battery is that true and did I mess it up more
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Saturday, July 10th, 2010 AT 11:56 PM

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Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do below to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Sunday, July 11th, 2010 AT 3:23 AM

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