1990 Toyota Corolla

Tiny
BESTDADA
  • MEMBER
  • 1990 TOYOTA COROLLA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 280,000 MILES
Hi I have a 90 corolla 2 years ago it quit running I found no spark so I went to the junk yard got a new igniter and it ran. I just stopped again 2 weeks ago I got another dist from a junk yard and no good so I bough a reman dist no good so I bought a new one still no good I have inspected for power at the ecm and all fuses the are good I inspected the pick up coils and the resistance is in spec I have power in to the dist from the 2 wire connector to the coil and ingniter. I also checked for my engine ground and it is good. The relays under the hood MFI I swapped and still nothing. I got a junk yard ECM and nothing. I have fuel I opened the fuel line and cranked veh and got fuel. No spark please help
Saturday, May 15th, 2010 AT 3:11 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the Ne, G, Igt, and Igf wiring back to the computer.

If the computer don't get the Ne and G signals it will not give an Igt signal tell the ignitor to fire the coil and no Igf meaning no combustion occurred.
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Saturday, May 15th, 2010 AT 4:11 PM
Tiny
BESTDADA
  • MEMBER
  • 2 POSTS
I have checked at the ecm with a ohm meter on beep test when I crank the veh I hear a a tone every time a single is sent to the ecm. From wire G- to G1 and G- to NE that is why I am so troubled. I have a dealer repair manual I feel like I am missing a sensor or relay but am so upside down I feel lost

thank for trying
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Saturday, May 15th, 2010 AT 5:08 PM

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