I did it... with the help from everyone on here, I changed my spark plugs on my own! took me ~30 mins and i didn't even have to move the coolant resevoir!!!
saved myself $100. Yes, that's right at precision tune auto care here, they charge $100 to change spark plugs. so i took $100 out of my bank and put it into the franken lift fund!!!

Very cool! Congrats!

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99 TJ
71 C101
04 KJ
03 SFA KJ Sport
LOST JEEPS So-Cal

Its such a great feeling to do stuff like that on your own. I have been my own service department for decades and I still enjoy it (most of the time ).

Congrats on a job well done.

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'06 Stone White, CRD Limited
CRD Frankenlift II, Rock Lizard Rear Bumper, Mann Provent, GDE FT-ECO Tune, "Euro Torque Converter, Transgo 545RFE-H2 Shift Kit, 245/75 MT/R's on Moabs, Full Mopar Skids, Front Tow Hooks, CAT 2 Fuel filter and bleeder valve mod, Fumoto valve, Wahlbro Lift Pump, Custom 2 1/2" Exhaust

Congrats!! I remember the first time I change my spark plugs....the next morning I woke up with a backache!!

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2002 Jeep KJ Sport 3.7L 4x4

245/75-16 Mastercraft Courser HSX, 16x7 Cragar, 2" OME MD Lift, ARB Bumper
AEM Brute Force Cold Air Intake, Flowmaster Super 44 Muffler

Currently working on: Full service on transmission & bed-lining ARB bumper

viewtopic.php?f=43&t=84650

How many miles on them and what condition were they in? I'm due for changing mine again because I used the OEM NGK'S but thinking of using the Iridium type plugs this time.

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2004 sport 3.7
OME coil lift.
Clevis lift.
Mopar skids.
5-speed manual.
235 70 17 Firestone destination AT'S on stock rims.
Gen 4.5 a-arms

30K... i change them every 30K.

they were badly gapped, 2 were almost.060!!! so that is why i was losing power!

Save your money on the Iridiums. I put a set in and have no difference in power or MPG. I am hoping they will go longer than 30k now so I can justify the cost. Next time going back to standard plugs.

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Jason
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