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You are watching: 2006 honda accord spark plug gap


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so ive been trying to figure out whats wrong with my gas mileage. i called the dealer and they wanted $90 just to diagnose, so i called my mechanic and he just said to try to put more expensive gas. (so useless since the accords made for regular gas anyways)so anyways, im thinking of changing the sparks myself. and according to the NGK site, the gap is 0.44. but the NGK spark plug has a gap of 0.43. (according to this page: http://www.ngk.com/results_app.asp?AAIA=1433638)so does that 0.01 matter? or should i be good?also what would i need to replace them?-plugs-torque wrench-spark plug socket-socket set?anything else? :thmsup:
2007 Honda "Nikita" Accord I-4 LX SedanGraphite Pearl
-Blackhoused MH1 Retrofit projectors with DDM 4500k HIDs-Soundgate aux integration-Diode Dynamics stage 2 kit (license plate, front door lights)-Aftermarket Inspire Fogs with 4300k HIDs-TL Type S rims!-OEM Decklid Spoiler-Nokya Hyper Yellow DRL-JL Audio TR690 rear speakers-Polk DB 6501 front speakers-K&N Short Ram Intake-Acura TL RSBCardomain
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How many miles are on the car? Have you tried using fuel injector cleaner? Checked your air filter? Checked your tire pressure?It"s also winter which means winter fuel blends and more dense air. More dense air means the engine needs more fuel. During the winter, I see a 1 to 2 mpg drop on my v6. Plus air pressure in tires play a big role.
Her name is Nikki and she runs like a banshee: 07 4dr Ex-L V6 6mt - BronzeGm Syncromesh Fm, TL-S sway bars, Ingalls torque damper, Stage 1 exhaust mod, Intake resonator delete, short shifter, RV-6 V3 j-pipe, RV-6 V3 PCD"s, P&P intake runners, semi-ported/polished intake plenum with custom throttle body spacer, TL-S trans mount, 06 TL 5 spoke rims
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you shouldn"t gap iridium plugs. The tips are very brittle. They should come pre-gap in ~ .44. I have Denso TT plugs and I didn"t gap them. They to be .40 vs .44. 0 problems. But my plugs might be different from yours.
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Unless the car has a lot of miles or you don"t use fuel injector cleaner regularly, I don"t see the spark plugs being the issue.
Her name is Nikki and she runs like a banshee: 07 4dr Ex-L V6 6mt - BronzeGm Syncromesh Fm, TL-S sway bars, Ingalls torque damper, Stage 1 exhaust mod, Intake resonator delete, short shifter, RV-6 V3 j-pipe, RV-6 V3 PCD"s, P&P intake runners, semi-ported/polished intake plenum with custom throttle body spacer, TL-S trans mount, 06 TL 5 spoke rims
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The plug gap should not be adjusted on irridium plugs. You will need an allen wrench for the coil bolts. You can probably get those plugs cheaper at Advance or Autozone.
92 EX Sedan auto (RBM) - sold after 12 years (140k miles)03 EX V6 Sedan auto (NBP, then Ford Blue) - traded in after 13 years (135k miles)16 EX I4 CVT with sensing (KCM) - 74,000 miles so farHurricane Ida was a bitch.

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On most NGK plugs, look at the last two numbers in the plug "number" for example ZFR5F-11 is a 1.1mm plug gap. A plug with a 13 at the end would be 1.3. Ones with no number you have to refer to the car"s specs. I believe Denso does similar numbering.Plugs wouldn"t cause such a major issue with mileage unless they weren"t firing. A larger gap, if the plugs are worn put more strain on the coils, but they also in effect advance ignition timing and place a larger area of "spark" for lack of a better term to the mixture. Things that come to mind to check:-tire pressures, they will drop 2 psi for every drop of 10 degrees in outside temp-brake drag, make sure none are dragging.-wheel alignment, especially if you"ve hit potholes.-operating temperature (not the gauge) with scan tool to make sure it heats up quickly to the thermostats regulating temperature. (t-stat early opening issues were fairly common on older Hondas, as well as sticky stats on F23 engines)-monitoring fuel trims on a scan tool to ensure the engine is in proper fuel control.-if mileage dictates, check of valve adjustment, on the K24 cam timing can be quickly verified as well.A dirty air filter will NOT reduce fuel economy on a car with EFI with exhaust sensor feedback. The car will lose power if the filter is 75% or more restricted, but not mileage. It just can"t pull in the necessary air to use the fuel. The sensors pick up the lack of air to the amount of fuel and trim it back to compensate.
Sapphire blue "04 V6 6 speed w/ full HFP, comptech ss, momo shadow, TL-S 27.2h/20 bars, intake spacer, retro chrome MH1 HIR2 highs, hella DE fogs, EBC Ultimax, subwoofer/amp, infinity rears, HD Radio, aux adapter, navi conversion. Vermilion 1999 SVT F150 Lightning, Sylvania/Visteon Xenarc HID headlamps, "01 L turn/marker lamps, PIAA fogs, "01 up Bilstein shocks, all Pioneer speakers, Clarion subwoofer. All Redline fluids. Silverstone 2003 Honda S2000, bone stock