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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 05-13-2020, 07:48 AM   #1
Ahmad Attia
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Noise in the Engine

Hello Guys,
I need your help in this issue
I've changed the spark plugs and cleaned the 8 injectors by specialist,
After that there was a loud knocking noise or something blowed up in the engine on rpm 2-3 and there is almost no power.
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Old 05-13-2020, 07:52 AM   #2
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Was your engine part of the valve spring recall? What year is it?
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Old 05-13-2020, 08:53 AM   #3
Ahmad Attia
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Nope, 2013
There was a valve spring recall in america?
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Old 05-13-2020, 08:55 AM   #4
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Yea the 13' scions had it. Don't believe the Subaru or Toyotas did.

Not really sure what else to give. What happened leading up to this issue?
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Old 05-13-2020, 09:01 AM   #5
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IIRC it's world-wide recall for 2013 to early 2014. Try checking eg. here. Or at dealership.
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Old 05-13-2020, 09:02 AM   #6
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It happened straight away after replacing the spark plugs and cleaning the 8 fuel injectors.
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Old 05-13-2020, 09:03 AM   #7
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Quote:
Originally Posted by Ahmad Attia View Post
It happened straight away after replacing the spark plugs and cleaning the 8 fuel injectors.
Sounds like your injector specialist messed up then. They need to fix it. Does it smell like fuel under the hood?
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Old 05-13-2020, 10:51 AM   #8
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Quote:
Originally Posted by Gloonge View Post
Yea the 13' scions had it. Don't believe the Subaru or Toyotas did.

Not really sure what else to give. What happened leading up to this issue?
They all had it. They are all the same bloody car.
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Old 05-13-2020, 10:53 AM   #9
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Quote:
Originally Posted by Ahmad Attia View Post
It happened straight away after replacing the spark plugs and cleaning the 8 fuel injectors.
Make sure they put all the plug wires/coil packs back in the right place
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Old 05-13-2020, 10:55 AM   #10
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Make sure you reconnected your coilpacks and are grounding out the DI harness with the screws
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Old 05-13-2020, 11:01 AM   #11
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How straight away after did it happen? Like right on start-up or first drive? Did something fall into the intake through injector hole? Maybe there was that one screw you couldn't find?
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Old 05-13-2020, 01:21 PM   #12
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No fuel smell at all
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Old 05-13-2020, 01:23 PM   #13
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At happened after 2 days around 80km
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Old 05-13-2020, 08:58 PM   #14
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wait.... 8 injectors? Loud popping sound, maybe?
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