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after how many miles is spark plug and coil pack new to be changed??

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997 Turbo / GT2 20062012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.

after how many miles is spark plug and coil pack new to be changed??

 
  #1  
Old 11-10-2014, 07:49 AM
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after how many miles is spark plug and coil pack new to be changed??

I have about 45k miles on my 08 turbo.... I bought it with about 36k miles a year ago... I did oil change, i dont drive her as much but wanted to know when i should do these maintainance changes.....
 
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Old 11-10-2014, 08:30 AM
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Spark plugs are recommended for replacement at the 24,000 mile interval mark. As for the coils, there isn't a set time frame, most tend to change them when they do the spark plugs. We offer a few different coil and plug kits when decide to change them, for more information Click Here.
 

Last edited by ECS Tuning - Porsche; 11-11-2014 at 09:03 AM. Reason: Added content
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Old 11-10-2014, 05:44 PM
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spark plugs are 12000 miles for a gt2, which runs more boost.
a tuned 997 should follow the gt2 service schedule.
 
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Old 11-10-2014, 07:43 PM
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I made this to help with checking service schedule. Might be of value to you and can be modified to suit your driving habits/car.
 
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Last edited by nzskater; 11-10-2014 at 07:45 PM.
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Old 11-10-2014, 09:26 PM
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I remember reading that 30- 40 k were the limits in stock cars...if you have higher boost 20 k should be more then enough....
 
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Old 11-12-2014, 08:11 PM
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The factory interval is also after 4 years, so your car is about 2 years overdue according to the factory. I really don't get the time interval for the change personally.
 
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Old 11-13-2014, 08:32 AM
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What are signs of bad plugs/coils? My car has approx. 26.5k on it, stock with the exception of a catless exhaust. Just wondering what are symptons that you are due for a change? I will change both sparks and coils when I tune the vehicle.
 
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Old 11-13-2014, 11:19 AM
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You could wait until you receive a misfire warning code. I'm running a range colder plug and the first set lasted 20,000 miles.
 
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Old 11-13-2014, 11:40 AM
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Originally Posted by kenromero View Post
You could wait until you receive a misfire warning code. I'm running a range colder plug and the first set lasted 20,000 miles.
What code is that? Running too rich on either bank?
 
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Old 11-13-2014, 12:25 PM
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the tech told me the error codes were general misfire and misfire cyl 4. I don't know the code #.
 
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Old 11-14-2014, 02:59 AM
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Originally Posted by kenromero View Post
the tech told me the error codes were general misfire and misfire cyl 4. I don't know the code #.
How do you tell if your car is misfiring? I have a fvd tune and now sometimes the car will hesitate on startup or I will see a quick blip where my rpm will rise and fall without pressing the gas. I have about 37000km tuned around 32000.
 
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Old 11-14-2014, 11:34 AM
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I received the engine warning light on the dash for a couple of seconds. It lit at redline/wide open throttle but went off as soon as the revs dropped. The tech told me it was a misfire when he connected his laptop to the car.
I also had felt a reduction in throttle response prior to plug change. Now throttle response is back to normal.
 
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Old 11-14-2014, 11:46 AM
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When the dealer does this plug/coil work....do they drop the motor? Heard this job runs about $1600. True?
 
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Old 11-14-2014, 06:43 PM
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No need to drop the engine. Coil Packs were $78ea, so about $480 total. I was charged $760 labor plus plugs and packs
 
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Old 11-15-2014, 05:35 AM
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Originally Posted by turboslut View Post
When the dealer does this plug/coil work....do they drop the motor? Heard this job runs about $1600. True?
The labor you indicate is about right (a little high, but about right). Depends on the hourly rate. It is quoted at about 8-10 hour job X labor rate. In my case the quote is at 138/hr so about ~$1100 - 1400.

I ended up doing it myself. It helps greatly to LOWER the motor, but it does not have to be removed (if that is what you meant by "drop the motor")?

I wrote up a DIY with photos and posted here and on Rennlist. Not terribly easy, but doable if you have the time and stamina

Good luck.

DC
 
 
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