Basic Maintenance Items to Check - Toyota Tundra Forums : Tundra Solutions Forum
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post #1 of 2 (permalink) Old 11-26-2010, 07:13 PM Thread Starter
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Basic Maintenance Items to Check

Here are a few basic maintenance issues to investigate or perform:
  • Fuel injector cleaner - I use Chevron with Techron
  • Check spark plugs. Worn plugs, improper gaps, improperly seated (torqued) plugs can drastically affect fuel economy
  • Air filter - dirty air filters wreak havoc. While you are at it inspect the air box, the air intake tube from the air box to the Throttle Body, and check inside the fender to insure that nothing has become lodged there. Hi-Volt's tests showed a natural restriction in the fender which he and several others overcame by adding an additional intake tube to the air box.
  • Clean the MAF sensor using a dedicated MAF cleaner (NOT CARBURETOR CLEANER OR THROTTLE BODY CLEANER!!!!) Tundra Fuel Economy: MAF Sensor and Throttle Body Cleaning and Tundra Fuel Economy: Cleaning the MAF and Throttle Body
  • Clean the Throttle Body using a dedicated Throttle Body cleaner. Do not spray the cleaner into the Throttle Body. Use in a well ventilated area (this means outside) and spray onto a clean rag or a good strong paper towel. Keep cleaning until the rags coming out are as clean as they were going in. You can use a piece of wood or soft handled screwdriver to hold the butterfly open. When opening the butterfly go slowly and gently - too fast can damage the little electric motor which will result in a big withdrawal from your wallet. Some guys take the whole Throttle Body off for cleaning and if it has not been cleaned before I would recommend doing this to get it as clean as possible. It is important to change the oil about 100 to 150 miles after cleaning the Throttle Body as the cleaner has compounds in it that will find their way into the combustion chambers and eventually the oil. Once in the oil they will begin to break down the oil which is very definitely not beneficial to engine life.
  • Clean oil. Pretty obvious but sometimes overlooked. High tolerance engines can be a little more sensitive to dirty oil. Correct oil - especially in the cold months is important.
  • Alignment. An improper alignment will trash fuel economy as well as your tires.
  • Transmission fluid should be drained and flushed (around 4 or so quarts) every thirty thousand miles - fifteen thousand if you tow.
  • Proper air pressure in the tires
  • Check the PCV valve. Pretty cheap to replace.
  • Fluids in the differentials Tundra Fuel Economy: General Maintenance
  • Dragging brakes. You may not even hear it but a dragging brake can rob you of a mile or two per gallon. A sagging parking brake cable is a sneaky culprit that can easily be fixed.
  • Lube the drive line - just makes sense to keep it in prime operating condition.

355,164 miles on the odometer [come see me when you get that on your ford]

2004 Tundra Double Cab Limited Edition 4.7 liter V8, four speed automatic, four wheel drive, testing platform for fuel economy, Ultragauge, Long Tubes with x-pipe and true duals,stock intake, Mobile 1 in the engine, NAPA oil filter, NAPA [COLOR=Black]in the differentials. 3:91 gears in the front and rear [SIZE=2]differentials, Cooper Discover ATP tires

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post #2 of 2 (permalink) Old 06-04-2015, 12:03 AM
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Re: Basic Maintenance Items to Check

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