what does the Overheat Exh System Button do? - RX7Club.com



what does the Overheat Exh System Button do?

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Old 01-11-04, 12:32 AM   #1
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what does the Overheat Exh System Button do?

the red one....
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Old 01-11-04, 12:37 AM   #2
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it jst lights up when ur exhaust temp is very high.
.. i think.
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Old 01-11-04, 12:47 AM   #3
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oh its a light
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Old 01-11-04, 12:57 AM   #4
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yea.. jst like security.
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Old 01-11-04, 01:18 AM   #5
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your sig always scares me....that fd is getting pretty close to that viper
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Old 01-11-04, 11:35 AM   #6
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The sensor is on the pass. side floorpan. It's a warning the floor is getting too hot .
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Old 01-11-04, 11:51 AM   #7
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anyone ever had their exhaust light actually light up?
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Old 01-11-04, 05:14 PM   #8
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once you go to a Power Fc that light is used as a "check engine" light.
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Old 01-11-04, 05:28 PM   #9
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wait a minute... how come i dont have that switch/light?

Isnt the overheat exhaust light on the dashboard?? or is it for U.S. cars only?
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Old 01-11-04, 05:30 PM   #10
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us for sure. i did not think some foreign market cars had check engine lights
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Old 01-11-04, 05:31 PM   #11
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Quote:
Originally posted by donny
once you go to a Power Fc that light is used as a "check engine" light.
can you elaborate more on this, I have never heard of this.
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Old 01-11-04, 05:32 PM   #12
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I've never heard of that either.
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Old 01-11-04, 05:36 PM   #13
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We have the check engine light, and the overheat exhaust light is next to it if im not mistaken...
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Old 01-11-04, 05:50 PM   #14
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the pfc flashes fault codes on the exhaust overheat light instead of the chk eng light
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Old 01-11-04, 06:34 PM   #15
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^you sure about that? I thought the pfc didn't have any codes. I know the manual says that you have have the pfc flash the CEL if the knock goes over a certain level but I didn't see anywhere in the manual where it talked about flashing the exhaust overheat light.
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Old 01-11-04, 06:45 PM   #16
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PUSH It!
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Old 01-11-04, 08:03 PM   #17
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There is a sensor is the passenger floor/trans tunnel. The light will come on if the cat gets too hot, heats up the sensor, and could possibly heat up the cabin.
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Old 01-11-04, 08:03 PM   #18
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Last edited by GsrSol; 01-11-04 at 08:05 PM.
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Old 01-11-04, 08:12 PM   #19
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who has had that light actually turn on and helped in some way?
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Old 01-11-04, 09:00 PM   #20
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stock it is for protection of the cat and motor. your feet also! i read that in the pfc manual.
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Old 01-11-04, 09:13 PM   #21
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How long have you had your car? You never once thought to push that button, I mean light.LOL. How many people here actualy own a FD on this forum? A button that will over heat the exhuast, hum thats cool, havent figured out why I would want my exhuast to over heat.LOL.

Sorry I just thought it was funny to think of it as a button.
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Old 01-11-04, 09:20 PM   #22
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Quote:
Originally posted by Azaka
^you sure about that? I thought the pfc didn't have any codes. I know the manual says that you have have the pfc flash the CEL if the knock goes over a certain level but I didn't see anywhere in the manual where it talked about flashing the exhaust overheat light.
if any sensor readings are out of whack the pfc will light up the exhaust temp light. then you can go the check sensor screen to find the culprit, which will be highlighted. it will light up the CEL for knock if enabled as you mentioned.
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Old 01-11-04, 09:27 PM   #23
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Quote:
Originally posted by SVT Squasher
How long have you had your car? You never once thought to push that button, I mean light.LOL. How many people here actualy own a FD on this forum? A button that will over heat the exhuast, hum thats cool, havent figured out why I would want my exhuast to over heat.LOL.

Sorry I just thought it was funny to think of it as a button.
Lets see, my sig says "purchase pending.." as in i didnt pic my fd up yet. I never had first hand experience with that light yet.
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Old 01-11-04, 11:28 PM   #24
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Quote:
Originally posted by weaklink
if any sensor readings are out of whack the pfc will light up the exhaust temp light. then you can go the check sensor screen to find the culprit, which will be highlighted. it will light up the CEL for knock if enabled as you mentioned.
I second that.
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Old 01-11-04, 11:45 PM   #25
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I get a lot of comments from new passengers (3rd gen virgins). "Why would I want to overheat the exhaust system?? And why is it on MY side of the car??" Always funny...

David Beale, is the sensor closer to main cat or pre-cat?
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