1989 Honda Prelude FUEL INJECTION PROBLEM

Tiny
CHASWALL
  • MEMBER
  • 1989 HONDA PRELUDE
  • 4 CYL
  • 2WD
  • MANUAL
  • 100,000 MILES
Can someone tell me what computer inputs are necessary to fire the fuel injectors?
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Saturday, March 7th, 2009 AT 10:01 AM

1 Reply

Tiny
KHLOW2008
  • EXPERT
Hi chaswall,

Thank you for the donation.

The main input for injectors to fire are the crank and cylinder position sensor signals.

The positive wires receives power from PGM-FI main relay and the ECU grounds the circuit with input from the crank and cylinder position sensor in the distributor.


http://www.2carpros.com/forum/automotive_pictures/192750_InjectorWire89Prelude_1.jpg

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Saturday, March 7th, 2009 AT 10:27 AM

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