mldave

cold start switch(black) on left.Which wire is ground?

xxxtreme22r

good reason to have a multimeter.

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874runnersr5

black with white line

mldave

Thanks man,and the green temp sensor on the right in photo does not appear to have a copper washer,is it supposed to?

874runnersr5

lemme double check quickly, i got the fsm open right now.

that sensor is your coolant temp sensor i believe.

mldave

Yes,but does it need a copper washer?

874runnersr5

yeap it should have one on.

mldave

Thanks,thought it might..I see no leaks..can this in any way add to the cold start problem by not having the copper washer?

874runnersr5

i doubt it, whats the problem?

mldave

Have had to crank 3-6 times till it starts in the morning after sitting all night,all other times it starts and runs great.This on my 86 truck 4x4 2.4 EFI.My friend changed the cold start injector time switch to the original OEM updated part # 89462-20050.One in there was for a corolla or some such.Anyway it's still hard starting after the switch change,though mostly starts on three cranks now in the morning.Could it be a plugged/or bad cold start injector?We may just bypass the CSI time switch when my friend has time,but that could be three weeks or more,and perhaps that wouldn't fix it either.