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P0327 knock sensor

Old 31 January 2019, 11:27 PM
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boggissimo
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Default P0327 knock sensor

I went away for a few days and left my car at the airport. On my way home, the engine light came on, and it has sounded a bit lumpy when I started it up, but I thought it was just cold. The light didn't come on until a few miles down the road.

I read the code, and it came up with P0327, which seems to be:
Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Knock Sensor 1 Circuit Low
Location Bank 1 or Single Sensor

Anyone had this before? Is it going to be a duff sensor, or actual knocking? Car has done 115k with some mods and map that have been on for more than a year.

Any advice appreciated
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Old 01 February 2019, 11:07 AM
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Update: I cleared the code and it didn't come back after 20 miles of driving. Currently just keeping fingers crossed, but I'll be on track at Silverstone in a couple of weeks so don't want to jeopardise that.
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Old 07 February 2019, 12:43 PM
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Looks like this is the part I need, anyone able to confirm? 05 reg UK blob wagon WRX 2.0. ICP link
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Old 08 February 2019, 01:29 PM
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Always worth checking the connection before replacing the part. It might just need a clean up.
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Old 08 February 2019, 03:15 PM
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Originally Posted by boggissimo View Post
Looks like this is the part I need, anyone able to confirm? 05 reg UK blob wagon WRX 2.0. ICP link
i bet you 20p itís not that part in question or the problem

who diagnosed it?
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Old 08 February 2019, 03:20 PM
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Originally Posted by ZANY View Post


i bet you 20p itís not that part in question or the problem

who diagnosed it?
Haha, 20p eh? High stakes!

I read the code using Torque, and wouldn't be surprised if the sensor has gone duff after 14 years and 115K miles. I've got an event next weekend and don't want a CEL (or any subsequent hobbling of boost/engine power to protect the engine) to spoil my fun.

What else do you think it might be then?
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