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-   3rd Generation Specific (1993-2002) (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/)
-   -   Knock Sensor (https://www.rx7club.com/3rd-generation-specific-1993-2002-16/knock-sensor-234544/)

SWAT81 10-21-03 09:31 PM

Knock Sensor
 
Alright I did the paper clip trick and it gave me 5 short blinks which means knock sensor, how do I get this fixed? My check engine light keeps coming up.

rockshox 10-22-03 12:19 AM

check the connection to the knock sensor and if thats fine replace it.

SWAT81 10-22-03 12:50 AM

where is the connection to the knock sensor, my knowledge on wiring diagrams isn't too good yet :)

Tim McCreary 10-22-03 10:31 AM

The knock sensor is located just above the front top spark plug. Trace it back from there. Usually the wire will break at the sensor.

Tim

alberto_mg 10-22-03 11:51 AM

what is the paper-clip trick?

vchacon 10-22-03 11:57 AM

Yeah, Swat81 can you explain this a bit more... I know that its the error codes from the computer but what do you short and what blinks. Wheres the table of error code? I'm thinking of writing some software to read the error code ( I don't want to pay $200 and UP) since I may have a little time after my current project is over.

SWAT81... do you own that M4? Also, you will notice how I said write... not steal... ;)

alberto_mg 10-22-03 05:32 PM

I think I just found out what the paper clip trick is. Go to iluvmyrxy.com and check out the factory service manual. they show you how to bridge two fuse terminals to test the knock sensor.

how to get it fixed - dunno. fix the sensor? are you sure that is the correct error code?

SWAT81 10-22-03 08:25 PM

Alright basically the paper clip trick can be found out through this link, I have used it and it works 100%. Just remember that 1 long blink equals to 10 and short blinks equal to 1. (long, short, short, short = 13) And you can look up the number at the link provided.

http://www.scuderiaciriani.com/rx7/engine_codes.html

Yes, the M4 is mine :)

SWAT81 10-22-03 08:30 PM


Originally posted by Tim McCreary
The knock sensor is located just above the front top spark plug. Trace it back from there. Usually the wire will break at the sensor.

Tim

Thanks Tim I'll try this out

-Gene

SWAT81 10-24-03 07:04 PM

Alright I'm going to need visuals on this one, anyone? I dont see any broken wires and I"m not sure which one its supposed to be since there are several wires located around there.

Mahjik 10-24-03 08:41 PM


Originally posted by SWAT81
Alright I'm going to need visuals on this one, anyone? I dont see any broken wires and I"m not sure which one its supposed to be since there are several wires located around there.
Check this thread:

https://www.rx7club.com/showthread.p...hreadid=108558

It will help you locate the knock sensor and it's wire.

SWAT81 10-25-03 01:25 AM

Thanks again Kyle I'll check it out in the morning and see what happens :)


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