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1985 Toyota Pickup WONT START ON ITS OWN. BUT WILL WITH ET

Tiny
CADITECH
  • MEMBER
  • 1985 TOYOTA PICKUP
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
THE TRUCK WONT START. REPLACED MAIN RELAY FOR FUEL PUMP AND INJECTORS. TESTED ALL ELECTRICAL INCLUDING OHM READINGS FOR INJECTORS, COIL, MAIN OPEN RELAY, AND SO ON. CHECKED FUEL PUMP FOR OPERATION AND PRESSURE. THATS GOOD. IT WILL START AND RUN OFF OF ETHOR BUT IT SEEMS THAT MY INJECTORS ARENT OPENING. THE ONLY THING I CAN THINK OF IS THE COMPUTER. SOMEONE HAD MENTIONED POSSIBLY MY DISTRIBUTOR? DOES THAT SEND A SIGNAL TO THE INJECTORS WHEN TO OPEN? SOMEONE PLEASE HELP!
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Tuesday, May 12th, 2009 AT 6:22 PM

6 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be an open wire between the ignition switch and solenoid resistor, the solenoid resistor itself or the grounding circuit of circuit 10/20 drivers on the computer


https://www.2carpros.com/forum/automotive_pictures/12900_injector_5.jpg

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Tuesday, May 12th, 2009 AT 6:37 PM
Tiny
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  • 4 POSTS
How would I test those 2 wires or ck them? Are they tested in ohms or are they a source of power?
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Tuesday, May 12th, 2009 AT 11:07 PM
Tiny
RASMATAZ
  • MECHANIC
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One of the injector harness wire should have battery voltage at all times when key is turn to run position-
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Wednesday, May 13th, 2009 AT 5:16 PM
Tiny
CADITECH
  • MEMBER
  • 4 POSTS
Are you talken bout one of the #10 or #20 wires? I can ck for a power source into the rectifier harness then right?
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Wednesday, May 13th, 2009 AT 8:17 PM
Tiny
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  • MEMBER
  • 4 POSTS
Sorry not rectifier but resistor. Rthanks
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Wednesday, May 13th, 2009 AT 8:18 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I'm taking about the injector connector/harness-
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Thursday, May 14th, 2009 AT 2:44 AM

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