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Exhaust Temp Gauge #210695 Jun 28, 10:48am Jun 28, 10:48am
Joined: Oct 2002
Posts: 16
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Preludekid OP
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Preludekid OP
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Joined: Oct 2002
Posts: 16
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Exhaust Temp Gauge
I would like to install a air/fuel gauge and a exhaust temp gauge. I already got the tips for hooking up the gauge with the O2 sensor before the cat.

For the exhaust temp, anyone got an idea how to hook it up? Does the celica already comes with a sensor for it and all i have to do is tap the wire? if so, where is the wire?
Or I have to install a sensor for it?

Thanks

Re: Exhaust Temp Gauge [Re: Preludekid] #210696 Jun 28, 5:04pm Jun 28, 5:04pm
Joined: Aug 2003
Posts: 33
va beach...
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SLOWICA
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SLOWICA
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Joined: Aug 2003
Posts: 33
va beach...
The a/f gauge is going to be useless. Also installing the a/f gauge and the egt gauge is redundant. Both gauges are used to tell you the same thing; are you running rich, lean, or stoich. The a/f gauge is pointless on an OBD II car as all it will be is eye candy. The most this gauge will tell you is your o2 sensor is working. The EGT gauge, unless you're running Turbo is almost pointless in a naturally aspirated car. The gauges I would recommend would be: oil temp., oil press., water temp., and fuel press. If you insist on installing the EGT gauge, I would recommend tapping into the #4 exhuaust outlet on your header as this cylinder is the farthest from the inlet of the fuel rail and would most likely be the most lean cylinder. You could also weld a bung to the mid pipe right after the header collector. Good luck.

Re: Exhaust Temp Gauge [Re: SLOWICA] #210697 Jun 30, 2:08am Jun 30, 2:08am
Joined: Oct 2002
Posts: 16
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Preludekid OP
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Preludekid OP
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Joined: Oct 2002
Posts: 16
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Thanks,

My car isn't the US spec, so the SAFC works on the ECU.
I would like to monitor the exhaust temp because i don't want to burn the piston when i go too far on running lean.

Re: Exhaust Temp Gauge [Re: Preludekid] #210698 Jun 30, 5:45am Jun 30, 5:45am
Joined: Jul 2002
Posts: 10,123
Milford, NJ
VSGTS14
05 WRB
2005 Subaru WRX STi
VSGTS14
05 WRB
2005 Subaru WRX STi

Joined: Jul 2002
Posts: 10,123
Milford, NJ
an EGT gauge isn't that necessary imo on the celica.


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