I just had this problem and changed the sensor, seems to of cleared though. May not be an intermittent problem mind you, I thought it was until I realised it was because I was driving around below 3000rpm off boost, lol.
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| code 52 http://www.gt4dc.co.uk/forum/viewtopic.php?f=13&t=6679 |
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| Author: | tjaytoymota [ Wed Aug 07, 2013 7:26 pm ] |
| Post subject: | code 52 |
can i get a code 52 from an engine knock or only from knackered KS cheers Ted |
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| Author: | Nibbles [ Wed Aug 07, 2013 8:01 pm ] |
| Post subject: | Re: code 52 |
It's sensed by a lack of noise above 3000 rpm - i.e. knock sensor or wiring fault - usually sensor or connector. One common mistake is people remaking the connector without reasising it is screened cable (inner signal wire, covered in earthed wire then plastic over the lot) and inadvertantly shorting the signal to ground by connecting the inner & outer wires. |
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| Author: | tjaytoymota [ Wed Aug 07, 2013 9:46 pm ] |
| Post subject: | Re: code 52 |
Wot i meant was does it have to be a failure of KS/wiring ect or can engine knock trigger the code |
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| Author: | Nibbles [ Wed Aug 07, 2013 10:33 pm ] |
| Post subject: | Re: code 52 |
AFAIK knock can't trigger the code. |
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| Author: | tjaytoymota [ Thu Aug 08, 2013 9:59 am ] |
| Post subject: | Re: code 52 |
Ok thanx just im gettimg a random code 52 sometimes on tickover or startup last time it was like you said over 3 k revs |
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| Author: | jgtcracer [ Sat Aug 10, 2013 8:08 am ] |
| Post subject: | Re: code 52 |
I just had this problem and changed the sensor, seems to of cleared though. May not be an intermittent problem mind you, I thought it was until I realised it was because I was driving around below 3000rpm off boost, lol.
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| Author: | tjaytoymota [ Sun Aug 11, 2013 1:49 pm ] |
| Post subject: | Re: code 52 |
Stopped again now was unsure if it was still ecu playing up think i just got gremlins |
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| Author: | jdm-gt4 [ Tue Aug 13, 2013 1:19 am ] |
| Post subject: | Re: code 52 |
. |
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| Author: | tjaytoymota [ Sun Oct 06, 2013 10:33 pm ] |
| Post subject: | Re: code 52 |
How critical is it to torque knock sensor as damned if i can get a torque wrench in there |
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| Author: | Nibbles [ Sun Oct 06, 2013 10:57 pm ] |
| Post subject: | Re: code 52 |
I've never torqued them. |
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| Author: | tjaytoymota [ Tue Oct 08, 2013 9:49 pm ] |
| Post subject: | Re: code 52 |
ok fingers crossed another knocksensor all seems good so far must of just been a dodgy one |
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