cold start time injector switch - 6G Celicas Forums

6gsillyca

#31

The bgb off mr2oc has a section for the 5sfe cold start injector/time switch.

I want to try switching out the CSITS between the 3's and the 5sfe and see if it makes any difference.

lagos

#32

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QUOTE(6gsillyca @ Jan 10, 2007 - 1:36 AM) [snapback]516587[/snapback]

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Thanks Art. I got the water temp sensor (green harness plug) and the cold start injector time switch (brown harness plug) out. How much coolant is supposed to leak out? After I took the cold start sensor out, almost a cup has leaked out already. Is that normal? Can you also update me on how your 4k resistor is working? Have you had any problems with the reduced resistance?

Does anyone have any input on the "hook" thing? You can see the bolt that is holding it to the engine in the bottom left of the pic. At first I thought it was a support for when you pull the engine, but it seems a bit too thin/flimsy for that.

4k resistor? you mean the difference in resistance ratings of the two sensors? it works ok. car starts right up on first crank, ever time. but i can kind of tell that its not 110% what you would get from the proper sensor. but thats just me being picky.

15PSI - 30MPG - Megasquirt Tuned

6gsillyca

#33

if it starts up every time, first try, then what is not 110% about it? How would the "proper" sensor be different?

Where does it say what resistance it is? Does the 89462-20020 plug have the resistance labeled on it?

lagos

#34

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QUOTE(6gsillyca @ Jan 10, 2007 - 2:14 AM) [snapback]516598[/snapback]

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if it starts up every time, first try, then what is not 110% about it? How would the "proper" sensor be different?

Where does it say what resistance it is? Does the 89462-20020 plug have the resistance labeled on it?

its kind of hard to explain it. its something you know by feel of how the car starts up. if you look at the sensor itself, it will say the resistance right on it.

15PSI - 30MPG - Megasquirt Tuned

presure2

#35

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QUOTE(6gsillyca @ Jan 10, 2007 - 1:55 AM) [snapback]516589[/snapback]

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The bgb off mr2oc has a section for the 5sfe cold start injector/time switch.

I want to try switching out the CSITS between the 3's and the 5sfe and see if it makes any difference.

the mr2 used the equivlent of a 5th gen 5sfe, which does have the CSI.
the 94+ 5sfe does not have a cold start injector.

Former Team 5SFTE pro member ;)13.6@108MPH, 5SFTE Powered

6gsillyca

#36

Which sensors are these then (94 celica 5sfe)

IPB Image

BTW How much coolant is supposed to leak out? Overnight a TON came out. I have a huge puddle underneath my car now. I hope it was just because it was a little on the "full" side to begin with.

This post has been edited by 6gsillyca: Jan 11, 2007 - 12:46 PM

6gsillyca

#37

Sorry to bring it back again but, does anyone know if there is a different part number for the jdm mr2 and the usdm mr2? Also what the different numbers are for the various years.

I called the dealership up today and gave them the 89462-20020 and was told that was for a 90/91 mr2. He then continued to tell me that the part number for a 93 is 89462-20040, even though the part I pulled from my engine was a 20020.

Any idea's?

lagos

#38

just get the same one as the motor had before.

my motor is a 90 and it originally had a 89462-20020 sensor.

15PSI - 30MPG - Megasquirt Tuned

6gsillyca

#39

Normally I would, but my motor *should* be a 93, and those origionally should come with a 89462-20040 sensor.

I think it might have gotten switched out along the way somewhere, and thats whats giving me issues.

jgreening

#40

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QUOTE(6gsillyca @ Jan 18, 2007 - 3:39 AM) [snapback]518881[/snapback]

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Normally I would, but my motor *should* be a 93, and those origionally should come with a 89462-20040 sensor.

I think it might have gotten switched out along the way somewhere, and thats whats giving me issues.

The clip was sold as a 93 and I am positive that the intake manifold is a 93.

QUOTE(lagos @ Jul 10, 2006 - 1:55 PM) [snapback]454118[/snapback]i know your trying to do the right thing for your motor, but this is one of those times where you should just trust the guys who have had their swaps for a while and have done a ton of research into this.

6gsillyca

#41

I think the engine is a 93 myself too, but I think the PO before you swapped out the CSITS with that of an earlier model (90-91, same engine as art, he has same part nimber as I currently have) because the part number for a 93 is different than what is in there now.

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