R56 Change your spark plugs lately?
#1
Change your spark plugs lately?
My 09S just hit 42K miles.
Cold startup would produce a few misfires. Every once in a while I would get a Check Engine light for multiple misfires. Much like my old MG's, I would feather the throttle a bit until things smoothed out. Low RPM's under load would also produce a few misfires so I would always run in Sport mode around town.
I found the OEM NGK plugs on Amazon for $11.00 each. After I installed them my cold starts smoothed out. Running around town no longer requires the Sport mode. She pretty much runs like the day I bought it.
The plugs I pulled out looked great. No deposits, etc.
So ... if you experience some of the things I mentioned, change your plugs
Cold startup would produce a few misfires. Every once in a while I would get a Check Engine light for multiple misfires. Much like my old MG's, I would feather the throttle a bit until things smoothed out. Low RPM's under load would also produce a few misfires so I would always run in Sport mode around town.
I found the OEM NGK plugs on Amazon for $11.00 each. After I installed them my cold starts smoothed out. Running around town no longer requires the Sport mode. She pretty much runs like the day I bought it.
The plugs I pulled out looked great. No deposits, etc.
So ... if you experience some of the things I mentioned, change your plugs
#2
#4
Driving conditions
I drive 150 miles round trip to work every day (70 to 80 MPH). I use a DDM air intake system and keep it cleaned and oiled properly. Change my oil every 5000 miles. I also use Chevron fuel system cleaner every 10K and use 93 octane Sunoco gas on most fuel ups.
I like to play with this car when I can. I do not beat on it hard, but drive it like it is supposed to be driven. I manually shift it quite a bit keeping the revs to over 3K before shifting.
I think my manual stated every 50K to change to plugs.
I like to play with this car when I can. I do not beat on it hard, but drive it like it is supposed to be driven. I manually shift it quite a bit keeping the revs to over 3K before shifting.
I think my manual stated every 50K to change to plugs.
#5
#6
My 09S just hit 42K miles.
Cold startup would produce a few misfires. Every once in a while I would get a Check Engine light for multiple misfires. Much like my old MG's, I would feather the throttle a bit until things smoothed out. Low RPM's under load would also produce a few misfires so I would always run in Sport mode around town.
I found the OEM NGK plugs on Amazon for $11.00 each. After I installed them my cold starts smoothed out. Running around town no longer requires the Sport mode. She pretty much runs like the day I bought it.
The plugs I pulled out looked great. No deposits, etc.
So ... if you experience some of the things I mentioned, change your plugs
Cold startup would produce a few misfires. Every once in a while I would get a Check Engine light for multiple misfires. Much like my old MG's, I would feather the throttle a bit until things smoothed out. Low RPM's under load would also produce a few misfires so I would always run in Sport mode around town.
I found the OEM NGK plugs on Amazon for $11.00 each. After I installed them my cold starts smoothed out. Running around town no longer requires the Sport mode. She pretty much runs like the day I bought it.
The plugs I pulled out looked great. No deposits, etc.
So ... if you experience some of the things I mentioned, change your plugs
#7
Finding the NGK plug on Amazon
Search for the number that is on the plug - Mine was ILZKBR7A-8G
I have found out that there were some defective plugs out there. I have not chaged these out as of 56K and it is still running great. Finally able to put gas in with Techron since I have moved to Georgia.
Don't have to drive so far to work either anymore.
I have found out that there were some defective plugs out there. I have not chaged these out as of 56K and it is still running great. Finally able to put gas in with Techron since I have moved to Georgia.
Don't have to drive so far to work either anymore.
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#8
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I have an 2008 R56 with JCW tuning kit with 46500 miles. My commute is about 58 a day plus it is the primary car driven on the weekends.
I change the oil every 75000 miles, Seafoam every 5000. My plugs are due to be changed at around 56,000 [every 2nd oil change per the recomended interval with the JCW kit]. I bought the extended maintenace plan which will pay itself and maybe even get some od the cost back.[but that is another thread]
I change the oil every 75000 miles, Seafoam every 5000. My plugs are due to be changed at around 56,000 [every 2nd oil change per the recomended interval with the JCW kit]. I bought the extended maintenace plan which will pay itself and maybe even get some od the cost back.[but that is another thread]
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