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Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Long crank

Carstuff
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4 years 1 month ago #53026 by Carstuff

Cold start injector information was created by Carstuff

Would anyone know if the cold start injector fires everytime regardless of temperature. I know during cranking the wire shows 12 volts.

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ontheriver
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4 years 1 month ago #53027 by ontheriver

Replied by ontheriver on topic Cold start injector information

That's the power side, crank only, on ground side, it is controlled by a thermostat or temp. sensor

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Carstuff
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4 years 1 month ago #53029 by Carstuff

Replied by Carstuff on topic Cold start injector information

Would you know if bypassing the thermswitch so it fires every time regardless of temperature would be an issue?
I have a long crank time but if I force it to spray it cranks fine. Or to get it to start normal I have to tap the throttle open a bit

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ontheriver
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4 years 1 month ago #53031 by ontheriver

Replied by ontheriver on topic Cold start injector information

Sounds like a bandaid, I would not alter the cold start system, What is the vehicle?

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Carstuff
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4 years 1 month ago #53032 by Carstuff

Replied by Carstuff on topic Cold start injector information

929 model
I probed the crankshaft sensor during cranking and the pattern was not consistent. New sensor as well same crank pattern.

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Carstuff
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3 years 2 months ago #58796 by Carstuff

Replied by Carstuff on topic Long crank

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Carstuff
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3 years 2 months ago #58878 by Carstuff

Replied by Carstuff on topic Long crank

Cold start injector isn't firing and it takes long to start up , check put video

youtube.com/shorts/nDwEBLNJn9Y?feature=share

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