tfi module

  1. Nine Finger Wrenching

    Electrical 1989 Mustang GT no spark, no trigger pump relay

    So I'm not getting spark when I turn the car over, and when you turn key forward the fuel pump relay isn't turning on fuel pump like I thought it should. There is power to fuel pump relay, and you can jump the relay and the pump comes on. The relay is brand new so it has to be good...right? LOL...
  2. W

    1989 CFD special edition random stall?

    It randomly stalls intermentently after driving, its more likely to stall more often later in the evening after being drove throughout the day. It happened while rolling at low idle, and while sitting at a stop light twice this week. I read something about a "halls sensing module", if possible...
  3. B

    Ignition Issues, Code 18

    hey guys, since I have been doing a lot of searches on my issues and a lot of answers are coming from this site. I have an 86' LX 5.0L. About a year ago I ran into an issue where my car was intermittently cutting out like a misfire and the auto meter tach was bouncing everywhere. Just with...
  4. D

    Warning: Tfi Control Module Monkey Business

    Hey Gang, I have been chasing an ignition problem for quite some time now, and I'd like to share my experience buying new TFI modules as a cautionary tale for those who may be in the market for one. I had my original module tested at Autozone, and it passed. For gits and shiggles, I also did...