YotaTech Forums - View Single Post - Truck starts but quits running in 2 seconds.

stevenbrick · 01-02-2009, 01:11 PM

I have checked the fuel pressure from the pump, and that shows 40 psi. I checked the diagnostic code from the check engine light. The code given is "12" (RPM signal) No Ne and G signal to ECU within 2 seconds after starting. Fault area suggested in Haynes manual is distributor circuit, distributor, starter signal circuit or ECU. I checked the pickup coil ohms/resistance and that is within tolerance. The coil has been checked and also swapped out with a new coil. The resistance in the coil is good and the new coil did not help either so the old coil was put back in. Now I am suspecting the igniter on top of the coil but there is no diagnostic approach in the Haynes manual to check it to see if it is bad or good. Any suggestions?

Thank you,

Steven
1988 SR5 22re EFI non turbo
stevenbrick@hotmail.com

01-02-2009, 01:11 PM	#1 (permalink)
stevenbrick Registered User Join Date: Jan 2009 Location: Taos, NM USA Posts: 9	Truck starts but quits running in 2 seconds. I have checked the fuel pressure from the pump, and that shows 40 psi. I checked the diagnostic code from the check engine light. The code given is "12" (RPM signal) No Ne and G signal to ECU within 2 seconds after starting. Fault area suggested in Haynes manual is distributor circuit, distributor, starter signal circuit or ECU. I checked the pickup coil ohms/resistance and that is within tolerance. The coil has been checked and also swapped out with a new coil. The resistance in the coil is good and the new coil did not help either so the old coil was put back in. Now I am suspecting the igniter on top of the coil but there is no diagnostic approach in the Haynes manual to check it to see if it is bad or good. Any suggestions? Thank you, Steven 1988 SR5 22re EFI non turbo stevenbrick@hotmail.com Last edited by stevenbrick; 01-07-2009 at 03:02 AM. Reason: clarification on fault suggestion in Haynes manual