Question about 2006 Toyota Highlander

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What mileage do change 2006 toyota highlander spark plugs 3.3 v6

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  • Anonymous Mar 19, 2014

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  • Toyota Master
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I would chande the plugs at or around 60,000 to 70,000 miles. this is about the correct mileage. they may last longer but not worth the expensence of converter damage due to misfire and also gas mileage loss.

Posted on Jul 20, 2010

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I have a 2004 Toyota highlander leaking oil, oil light comes on. Could it be the rubber rings?


a 2004 toyota highlander V6

this should be your engine type
The 2GR-FE is a 3.5 L (3456 cc)

if leaks are that bad
always check the engine oil level before you drive off

fixing oil leaks on motors
degrease whole motor top and bottom

start with replacing the oil sender it may be the cause of the oil light coming on
after degrease
lay cardboard or paper under the car
take out for a drive and park over the paper over night

this pin points most of the oil leak locations
leaks from a V6 motor
rocker covers/ spark plug tube 0 rings.engine seals
cam seals
front and rear engine seals leak often
sump gasket can leak

if oil consumption or light on continues
can be a failing engine oil pump
or worn main bearings giving low oil pressure to the whole engine
you could be burning oil from worn piston rings
or hardened valve stems

a mechanic can fit an oil pressure gauge to the motor when hot
to check running oil pressure to confirm low oil pressure

if engine is worn out

it is possible to fit a lower mileage used motor to your highlander
its often cheaper than and engine rebuild









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Oct 13, 2016 | Toyota Cars & Trucks

Tip

Toyota Highlander_ How to change plugs


The Toyota Highlander is available in three different engine sizes: 2.4, 3.0 and 3.3 liter. The basic technique for replacing spark plugs is used for both engine sizes, but depending on the engine size you need to remove different parts from the Toyota Highlander to gain access to the spark plugs.
  1. 1 Pull the hood release and raise the hood on the Highlander. Allow the engine plenty of time to cool.
  2. 2 Remove some components to reach the spark plugs. On a 3.3 liter engine, unscrew and remove the V-bank cover and intake air tank. On a 2.4 and 3.0 liter engine, remove the number one engine cover.
  3. 3 Locate the ignition coils and spark plug wires that connect directly to the spark plugs or directly to the engine in the Toyota Highlander. In 2001 and 2002 models, theses are on the front and back of the engine. On models made after 2002, the spark plugs are along the sides. Grab the ignition coils or spark plug wires by the thick plastic piece at the end of the wire. Squeeze the end and turn it to release it from the spark plug. Pull back to remove the plug from the engine.
  4. 4 Slide the spark plug socket over the spark plug. The most common size of spark plug socket used on a Toyota Highlander is 16mm. Turn the socket to the left to unscrew and remove the spark plug from the cylinder well.
  5. 5 Apply a thin coat of anti-seize compound to the spark plug thread and into the wire boot to reduce the chance of sticking.
  6. 6 Insert the spark plug into the well and manually turn the plug into place. If you cannot reach the plug well manually, insert the plug into the socket and extension and use the extension to turn the plug into place. Do not use a socket wrench or flexible extension for this process because their force damages the spark plug.
  7. 7 Connect the ignition coil or spark plug wire to the spark plug. Turn to lock it into place.
  8. 8 Continue this process for the rest of the spark plugs. Replace any removed items onto the engine and lower the hood.



on Jan 26, 2011 | Toyota Highlander Cars & Trucks

2 Answers

I have a 95 toyota 4 runner sr5 v6. It is not getting good gas mileage. I have changed the air filter and the spark plugs and nothing has changed.


After a good tune-up may other factors affect your gas mileage, tire pressure, acceleration, traffic conditions, driving habits, etc. The only thing you can do is make sure its well tuned, has regular oil changes, clean filers and drive like a 90 year old lady! Outside of that, think about getting a newer more fuel efficient car.

Mar 21, 2015 | 1995 Toyota 4Runner

1 Answer

Anyone have picture/illustration of where the spark plug are located on a 2005 highlander?


  1. 1 Pull the hood release and raise the hood on the Highlander. Allow the engine plenty of time to cool.
  2. 2 Remove some components to reach the spark plugs. On a 3.3 liter engine, unscrew and remove the V-bank cover and intake air tank. On a 2.4 and 3.0 liter engine, remove the number one engine cover.
  3. 3 Locate the ignition coils and spark plug wires that connect directly to the spark plugs or directly to the engine in the Toyota Highlander. In 2001 and 2002 models, theses are on the front and back of the engine. On models made after 2002, the spark plugs are along the sides. Grab the ignition coils or spark plug wires by the thick plastic piece at the end of the wire. Squeeze the end and turn it to release it from the spark plug. Pull back to remove the plug from the engine.
  4. 4 Slide the spark plug socket over the spark plug. The most common size of spark plug socket used on a Toyota Highlander is 16mm. Turn the socket to the left to unscrew and remove the spark plug from the cylinder well.
  5. 5 Apply a thin coat of anti-seize compound to the spark plug thread and into the wire boot to reduce the chance of sticking.
  6. 6 Insert the spark plug into the well and manually turn the plug into place. If you cannot reach the plug well manually, insert the plug into the socket and extension and use the extension to turn the plug into place. Do not use a socket wrench or flexible extension for this process because their force damages the spark plug.
  7. 7 Connect the ignition coil or spark plug wire to the spark plug. Turn to lock it into place.
  8. 8 Continue this process for the rest of the spark plugs. Replace any removed items onto the engine and lower the hood.

Read more: How to Replace Spark Plugs in a Toyota Highlander ' eHow.com http://www.ehow.com/how_4484644_replace-spark-plugs-toyota-highlander.html#ixzz1C6Y4k5y2

Jan 26, 2011 | 2005 Toyota Highlander

1 Answer

What is the cause of to much fuel comsumption


is there a check engine light on?
spark plugs, wires, filters, tire pressure, sensors and alignment, they all affect your gas mileages.

Mar 24, 2010 | 2001 Toyota Highlander

1 Answer

Plugs


Changing the spark plugs is a pretty easy task. The spark plugs run along both sides of the engine, 1 per cylinder. (3 on each side) You can easily identify them by the plug wires running to them from the distributor. Pop off each plug wire, (1 at a time) and replace the spark plug. Once you have replaced the plug, replace the plug wire. This ensures that you dont mess up the sequence of the wires which determines which cylinder fires at what time in the cycle. VERY important not to mess up the sequence. If you should happen to get the wires mixed up, look online for the firing sequence for your vehicle and engine.

Dec 30, 2009 | 2006 Toyota Tacoma

1 Answer

Need to change spark plugs in highlander.


Those back plugs are a bear to get to but they can be got. There is no easy way. You need to get your hands back there and pull the wires off and use whatever combination of extensions to do it.

Mar 23, 2009 | 2002 Toyota Highlander

1 Answer

2006 Toyota Tacoma Low Mileage or Not...Spark Plug Life


24 mpg on the highway is actually pretty good for that truck. at 48000 miles and being 3 years old its time for plugs, air filter, and fuel filter if available. thats cheap maintenance for now. but if very self conscious, run some fuel injector cleaner first, then change the plugs, because any octane booster or fuel injector cleaner can run the risk of fouling out a plug, by creating a hotter spark then what, normal gas does. the burn is hotter.

Mar 18, 2009 | 2006 Toyota Tacoma

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