Changing Spark Plugs what should I buy?
05-29-2009, 11:42 AM
#1
VoiD
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Changing Spark Plugs what should I buy?
My car has kind of a rough idle and takes a few extra cranks to start up sometimes. Sometimes it just fires right up, so the dealer said they should clean the fuel injectors and replace the spark plugs. I want to change them my self but I dont know what to buy. Should I just get new OEM Mazda plugs or something better. I know plenty will say that the OEM plugs are very very good, but they cost alot....I think.
Anything aftermarket worth buying?
I have an 04 GT MT with 68500 Miles, and I dont think the plugs have ever been changed. Its a refurb engine if that changes anything.
I am still under the 100,000 warr will this void it if i do it?
Anything aftermarket worth buying?
I have an 04 GT MT with 68500 Miles, and I dont think the plugs have ever been changed. Its a refurb engine if that changes anything.
I am still under the 100,000 warr will this void it if i do it?
05-29-2009, 11:47 AM
#3
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OEM spark plugs are your best bet.
send a PM to Charles R. Hill, he usually has some in stock.
send a PM to Charles R. Hill, he usually has some in stock.
05-29-2009, 11:48 AM
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from dealership: $120 +
buy it from a vendor here (CRH) and you'll save money
buy it from a vendor here (CRH) and you'll save money
05-29-2009, 11:51 AM
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yeaah don't by the spark plugs from the dealer...many vendors have them cheaper..
oO and when my idle was bad, i swapped everything (coils, wires, and plugs) and she runs buttery smooth!
theres a good chance it could be your coils, mine looked fine, but when dozer tried puttin them on his car, it messed up his idle...
oO and when my idle was bad, i swapped everything (coils, wires, and plugs) and she runs buttery smooth!
theres a good chance it could be your coils, mine looked fine, but when dozer tried puttin them on his car, it messed up his idle...
05-29-2009, 11:54 AM
#7
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since I know this will be the next question...
Ignition Coil Inspection: http://www.finishlineperformance.com...16-07-1793.pdf
Ignition Coil Inspection: http://www.finishlineperformance.com...16-07-1793.pdf
05-29-2009, 12:03 PM
#8
Another vote for stock 'plugs. No need to pay more as they're already premium grade.
CRH, FluidMotorsports, or also sparkplugs.com
Swapping 'plugs at 20k was one of the best things I've done for my '8 recently.
Grab a packet of anti-seize compound (copper grease to the Brits) at Autozone as well.
CRH, FluidMotorsports, or also sparkplugs.com
Swapping 'plugs at 20k was one of the best things I've done for my '8 recently.
Grab a packet of anti-seize compound (copper grease to the Brits) at Autozone as well.
05-31-2009, 11:02 PM
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