what would cause no spark on 2007 v6 4.0 mustang with auto trans

Asked by Nov 18, 2013 at 01:45 PM about the 2008 Ford Mustang V6 Premium

Question type: Maintenance & Repair

I have no spark on my mustang car was running until I changed transmission  now ALL
seems to have died/quit working I can find no pinched/cut wires fuel relay will not turn on
ifs switch is working all fuses are good all relays are good

1 Answer


ground wire not making good contact, check the positive wires to the starter, take a set of jumper cables hook neg post on battery and other end to the block see if that makes a difference if so it is a ground issue. Check ignition module make sure plugged in good.

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