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Old 04-26-2016, 05:59 AM   #1 (permalink)
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Open loop indicator. Toyota 4AFE

Is there any easy way to tell if my engine is in open loop? Any way to easily wire a light or diode into the diagnostic port connector? What terminals?

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Old 04-26-2016, 09:16 AM   #2 (permalink)
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Get a Ultragauge.

UltraGauge OBDII Scan tool & Information Center


Located in the top right corner of the Ultragauge is a icon that is shaped like a oval. If the oval is broken it's in "open loop". In "closed loop" it is whole.


Pictures of the Ultragauge in open and closed loop can be found here.

https://www.google.com/search?q=ultr...X5A2UQ_AUIBygC




>
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Old 04-26-2016, 09:24 AM   #3 (permalink)
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Quote:
Originally Posted by redneck View Post
.

Get a Ultragauge.

UltraGauge OBDII Scan tool & Information Center


Located in the top right corner of the Ultragauge is a icon that is shaped like a oval. If the oval is broken it's in "open loop". In "closed loop" it is whole.


Pictures of the Ultragauge in open and closed loop can be found here.

https://www.google.com/search?q=ultr...X5A2UQ_AUIBygC




>
I should have mentioned the car is OBD I

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