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Go Back   SR20 Forum > Main Forums > SR20DE Technical Corner



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Old 05-13-2004, 03:37 AM   #1 (permalink)
da12lookout4

 
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ecu question

i got the car from a used car dealer he says theres a ecu in the car its a 92 se-r is there another way to check other than revving it till it bounces of the limiter *** i heard the tachs are somtimes off it kicks back at 8k when in first
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Old 05-13-2004, 03:44 AM   #2 (permalink)
Or...Deep Crystal Blue :/

 
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Re: ecu question

Im confused, are you saying there is a chance the car came without an ECU?

Anyways....Of course there is an ECU in the car, otherwise it wouldnt run at all....

If you are asking if there is a rev limiter, there is...the ECU is programmed to cut off. Redline is 7500, I wouldnt recommend going any higher to test the rev limiter.
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Old 05-13-2004, 03:46 AM   #3 (permalink)
da12lookout4

 
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Re: ecu question

no im not saying theres a chance it came without an ecu i meant to say chip or a jwt ecu
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Old 05-13-2004, 03:50 AM   #4 (permalink)
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Re: ecu question

Well, the actual Rev limiter is 7700 on a stock ecu. If you take the ECU out, it will say whether it has been re-programmed by JWT (sticker with the program added).
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Old 05-13-2004, 03:59 AM   #5 (permalink)
da12lookout4

 
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Re: ecu question

ok i hope i find a jwt what else can i look for when i open it up
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Old 05-13-2004, 04:08 AM   #6 (permalink)
Or...Deep Crystal Blue :/

 
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Re: ecu question

Well, aside from JWT, I dont know of anyone that does ECU "chipping" or programming, but there are a few guys who have replaced the crystals to get a higher rev limiter..thats a possibility as well, but unlikely.

Josh
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Old 05-13-2004, 08:43 AM   #7 (permalink)
SE-R Nut

 
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Re: ecu question

Just to let you know, you don't have to open the ECU actually. JWT usually puts stickers on the outside.
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