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6th Generation (1988-1992) Specific discussion of the AE92

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Old 10-09-2007, 02:12 AM   #1 (permalink)
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Cold start time switch?

I have a 91 corolla with the 4a-fe motor. I'm wondering where the cold start time switch is located.. Any way of testing it? Thanks!
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Old 10-09-2007, 07:24 PM   #2 (permalink)
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it's in the coolant outlet on the side of the head, above the transmission

the csi itself is located in the middle of the manifold (top) and attached to the fuel rail
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Old 10-09-2007, 09:45 PM   #3 (permalink)
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Ok, thanks. Would a faulty switch cause a hard cold start condition? Once it fires (after cranking for quite a while) it does rev at around 1500rpm until warmed up. I'm assuming this is due to the cold start injector.

Thanks for any info. I'd really like to get this sorted before winter as it's hard on the batt and starter! (And unforgiving when it's -45 celcius outside!)

OH, when it's plugged in, it fires up in a couple cranks... Thanks again!
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Old 10-10-2007, 12:04 AM   #4 (permalink)
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the csi switch is both a thermal switch and the csi system gets turned on once you turn the key to start the car (not to the ignition switched, but to the starter..... the 12V lead from the starter connects to both the csi and the switch)....
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Old 09-16-2010, 08:34 PM   #5 (permalink)
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cold start ejector switch

22RE efi would start cold, but failed to start when hot - problem was the switch stuck on "cold start" mode = flooding engine = no start

remove electric plug to the cold start ejector and wrrrrrroom - away you go- thanks to Mr Richer for sorting that one out in 15 minutes when 2 Toyota mechanics got nowhere in an hour - key to solving the problem was the 'wiring diagram' for starting your engine
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