 knock sensor |
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 Dec 12, 2007 - 1:35 PM
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 Enthusiast  Joined Oct 5, '03 From South TX. Currently Offline Reputation: 14 (100%)  |
Hey guys, i was wondering what I should look for when it comes to finding out if I have a broken knock sensor, since its the same knock sensor thats always been with the engine since it was blown. I have no codes AT ALL which is good i guess but would it throw a CEL if it was gone?
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Dec 12, 2007 - 4:46 PM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
QUOTE(95celgt @ Dec 12, 2007 - 1:35 PM) [snapback]622118[/snapback] Hey guys, i was wondering what I should look for when it comes to finding out if I have a broken knock sensor, since its the same knock sensor thats always been with the engine since it was blown. I have no codes AT ALL which is good i guess but would it throw a CEL if it was gone? it would set a code, and put the car in "limp" mode. -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Dec 13, 2007 - 1:25 AM
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Enthusiast Joined Oct 5, '03 From South TX. Currently Offline Reputation: 14 (100%) |
hmmm well i have no codes, but i was wondering if that might be why i only get 5-6 psi on the stock tvsv system....thanks though..
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Dec 13, 2007 - 1:33 AM
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 Enthusiast Joined Sep 6, '04 From oakdale Mn Currently Offline Reputation: 0 (0%) |
what are the symtoms of limp mode? does it only rev to like 4 grand and sputter cuz that's what my girls mr2 is doing and we just picked up a new sensor but haven't installed it yet...it was throwing the knock sensor code of open circuit.
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Dec 13, 2007 - 8:10 AM
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 Enthusiast Joined Jun 6, '06 From Cedar Hill ,Texas Currently Offline Reputation: 1 (100%) |
When its in limp mode the ecu pulls alot of timing, so when you give it some boost, it basically stays the same, if not slower. My twos knock sensor went out just last week
 . Id check the wiring first, sometimes the wires will go bad.toyota makes kinda crappy knock sensors, i belive they sell a better one for cheaper at atsracing.com. -------------------- 0111011001101001011100110111001101101001
Chrome wont get ya home  |
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Dec 14, 2007 - 11:07 PM
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Enthusiast Joined Mar 4, '06 From Ohio Currently Offline Reputation: 10 (100%) |
QUOTE(95celgt @ Dec 13, 2007 - 1:25 AM) [snapback]622345[/snapback] hmmm well i have no codes, but i was wondering if that might be why i only get 5-6 psi on the stock tvsv system....thanks though.. Is your gauge correct? Install the tvsv leds to monitor when it goes into low boost mode. (If you havent already.) |
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