93 plymouth acclaim

1993 PLYMOUTH ACCLAIM
1,000,000 MILES • 4 CYL • FWD • AUTOMATIC
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ICU
  • MEMBER
  • 2 POSTS
I have no signal to fuel injector . Ground the hall effect switch get spark and fuel injector ! Changed everything under hood except ECM ! I get the prime squirt of gas but at cranking nothing ! ASD is good got power to fuel injector ! Checked wire on injector back to ECM good ! Checked wires from hall EFF. to computer good ! Got fuel presure ! Can soak a rag in gas throw on top of TBI and it will run as smooth as silk ! I just have no signsl to injector to pulse it !what dosnt make since is that if you ground hall effect that you get a spark and a pulse to injector but when you connect it back up and try to crank it you get the prime then nothing !!!
May 12, 2011 at 8:42 PM
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FIXITMR
  • CAR REPAIR CONTRIBUTOR
  • 9,990 POSTS
i suppose you could leave it grounded till you figure it out?
May 13, 2011 at 12:29 AM
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ICU
  • MEMBER
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Learn the system ASD supplys the 12 volts ECM AKA computer then supplys ground to make it work ! So leaving it grounded would do what !!! LoL
May 13, 2011 at 2:08 AM