 lack of knock sensor on 5S-FE |
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 Jun 16, 2008 - 10:55 AM
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Enthusiast  Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%)  |
so those of you with 5S-FTE's how do you monitor knock while tuning and every day driving?
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Jun 16, 2008 - 11:03 AM
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 Enthusiast Joined Mar 8, '04 From Newport, RI Currently Offline Reputation: 63 (99%) |
all 94-99 5sfes have a knock sensor
the earlier 5s (5th gen) do not QUOTE (Smaay @ Jun 16, 2008 - 11:55 AM)  so those of you with 5S-FTE's how do you monitor knock while tuning and every day driving? -------------------- |
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Jun 16, 2008 - 4:14 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
ah good to know, thanks
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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Jun 16, 2008 - 4:33 PM
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 Enthusiast Joined Dec 19, '07 From tx Currently Offline Reputation: 22 (100%) |
OK Batman but can the 94-95's [OBD-I] pull timing back to correct for knock the way the OBD-II's do?
this is relavent to a 5S-FTE I'm assisting with the build on. My old OBD-II Celica did of course and I'm hoping this OBD-I car will as well. I know it's no substitute for a good tune but it's nice as a backup. --------------------  ENGINE: '93 RC 3S-GTE/WRC CT-20b [18-20PSI] PERF: TRD/HKS/ARP/NGK/MSD/ACT/Blitz/STRI/APEX'i/TwosRus/GReddy/Magnaflo/KOYO SUSP: Tein/Bilstein/SusTech/ INT: SS-III SEATS/Toyota Hyper Sports EXT: WRC/TRD/404 QUOTE (lagos @ Aug 25, 2010 - 10:13 AM) Its a safety feature so that people like you don't end up killing themselves or everyone around them. Slow down Paul Walker. 6GC Chat - Go there: [url="http://www.griffgirl.com/forum/chat/index.php[/url] |
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Jun 16, 2008 - 4:37 PM
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 Enthusiast Joined Aug 9, '06 From Ma Currently Offline Reputation: 1 (100%) |
Has nothing to do with OBDI or II.
If it has a knock sensor it can [and will] pull timing if it senses knock. That's the purpose of the sensor.  QUOTE (Batman722 @ Jun 16, 2008 - 12:03 PM) all 94-99 5sfes have a knock sensor the earlier 5s (5th gen) do not 5th Gens do also. 92 and later 5SFEs have a knock sensor. --------------------  |
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Jun 16, 2008 - 4:42 PM
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Enthusiast Joined Dec 19, '07 From tx Currently Offline Reputation: 22 (100%) |
Thanks Alltracman. I was aware that OBD had nothing to do with it but I did know that the ECU's handle timing differently [Try changing your base timing on both and keep the light on for a few minutes afterwards and you will see what I mean] so I wasn't sure if it was within the capabilities of the older ECUs.
Makes sense tho - what would it need the knock sensor for if it had no way to use it's output. -------------------- ENGINE: '93 RC 3S-GTE/WRC CT-20b [18-20PSI] PERF: TRD/HKS/ARP/NGK/MSD/ACT/Blitz/STRI/APEX'i/TwosRus/GReddy/Magnaflo/KOYO SUSP: Tein/Bilstein/SusTech/ INT: SS-III SEATS/Toyota Hyper Sports EXT: WRC/TRD/404 QUOTE (lagos @ Aug 25, 2010 - 10:13 AM) Its a safety feature so that people like you don't end up killing themselves or everyone around them. Slow down Paul Walker. 6GC Chat - Go there: [url="http://www.griffgirl.com/forum/chat/index.php[/url] |
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Jun 16, 2008 - 4:45 PM
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Enthusiast Joined Aug 9, '06 From Ma Currently Offline Reputation: 1 (100%) |
OBDII won't let you change your base timing, it will adjust back because it has a crank sensor.
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Jun 16, 2008 - 4:48 PM
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Enthusiast Joined Dec 19, '07 From tx Currently Offline Reputation: 22 (100%) |
I knew you knew that
 But I was just explaining my reason for double checking.
-------------------- ENGINE: '93 RC 3S-GTE/WRC CT-20b [18-20PSI] PERF: TRD/HKS/ARP/NGK/MSD/ACT/Blitz/STRI/APEX'i/TwosRus/GReddy/Magnaflo/KOYO SUSP: Tein/Bilstein/SusTech/ INT: SS-III SEATS/Toyota Hyper Sports EXT: WRC/TRD/404 QUOTE (lagos @ Aug 25, 2010 - 10:13 AM) Its a safety feature so that people like you don't end up killing themselves or everyone around them. Slow down Paul Walker. 6GC Chat - Go there: [url="http://www.griffgirl.com/forum/chat/index.php[/url] |
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Jun 16, 2008 - 5:01 PM
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Enthusiast Joined Dec 8, '03 From Lancaster CA Currently Offline Reputation: 6 (100%) |
more good info, hopefully my little project will go smooth
-------------------- 2001 Celica GT-S Turbo
1997 Supra TT 6speed 1997 Celica 3MZ/1MZ swap 1990 Celica All-Trac |
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