05 WRX - PFR6G vs. PLFR6A-11 Spark Plugs - Page 3 - Perth-WRX.com

rjw · #21 13-03-2013, 11:42 AM

Quote:

Originally Posted by dtrally

The long plugs are for 2.5 litre engines.

This is what NGK said.

rjw · #22 13-03-2013, 01:25 PM

Back from the dealership and there has been no damage to my car. It's running as per 'normal' (considering the state of my spark plugs).

Subaru confirm it was human error, apologised and swapped over the plugs with PFR6Bs.

rjw · #23 13-03-2013, 06:02 PM

Just to cap this off. I have been having boost issues under high pressure (e.g. down shifting to over take) whereby my car would 'jitter' and struggle to hold boost. This has now been resolved!

phoenix · #24 13-03-2013, 08:46 PM

Quote:

Originally Posted by rjw

Back from the dealership and there has been no damage to my car. It's running as per 'normal' (considering the state of my spark plugs).

Subaru confirm it was human error, apologised and swapped over the plugs with PFR6Bs.

Glad all is good and lucky there was no damage done.

dtrally · #25 13-03-2013, 10:04 PM

Quote:

Originally Posted by rjw

Just to cap this off. I have been having boost issues under high pressure (e.g. down shifting to over take) whereby my car would 'jitter' and struggle to hold boost. This has now been resolved!

You've decribed characteristic dirty spark plug symptoms.

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