86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

1986 r22 no inyec

Old 12-22-2018, 11:05 AM
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1986 r22 no inyec

I bought an old 86' 4x4 22R it was no starting . I change the fuel pump and clean the gas tank. Then run very good. After a week there is not signal in the main inyectores, only ligthing in the warm up inyector. Seems like short circuit. I all ready probe the main arnes. Fuses and the EFI and FUEL PUMP relay is ok. The spark plugs fire good.
I will appreciate any help.
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Old 12-22-2018, 10:31 PM
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Originally Posted by Ricue View Post
...After a week there is not signal in the main inyectores
What makes you know that there is no signal? How did you look for signal?
..only ligthing in the warm up inyector.
What is a warm-up injector and where is the light?

Seems like short circuit.
How did you find the short circuit?

I all ready probe the main harness.
How did you probe the main harness?
What equipment did you use? What setting?
What were you looking for?
What did you find?
What did you NOT find?
Fuses and the EFI and FUEL PUMP relay is ok.
How did you verify that the fuses, the EFI and Fuel Pump Relay are good?

How could you have an EFI relay on a 22R carbureted engine?
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