Question about 2003 Toyota Tacoma

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How do you gain access to the spark plugs on A 2003 toyota tacoma 4CYL.

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If the motor has a moulded plastic cover over the top of the engine try removing it and looking underneath, a lot of the cars spark plugs are covered by these covers just for looks.
The spark plugs will most probably be under rubber weather caps which have the leads running to them, you have to remove them to gain access to the plugs
Hope this helps

Posted on Jul 08, 2010

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Posted on Jan 02, 2017

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1 Answer

Continue misfiring


Vac leak including the intake manifold or faulty injector ?

Jun 30, 2012 | 2003 Toyota Tacoma

1 Answer

Where are the spark plugs located of a 2005 toyota tacoma 4cyl


The best way to find the plugs is to locate the 4 plug wires and follow them to the top of the engine; the coils will be located in a line across the top. You will have to remove the intake hose and engine cover to gain access. This link is exactly what you need to take care of all your spark plug changing needs.

http://www.ttora.com/forum/showthread.php?t=145917

I would also add: ensure your deep socket locks to you ratchet extension because loosing a socket down the coil hole can be a bear and have a socket with the rubber grip or use a magnetic extension to retrieve the plug easily. Preperation leads to great results, good luck.

Aug 14, 2010 | 2005 Toyota Tacoma

1 Answer

What does the factory set the spark plug gap at?


denso K16TR11 or ngk BKR5EKB-11. Two brands and numbers. the gap is 1.1mm or 0.043in.

May 15, 2010 | 2003 Toyota Tacoma

1 Answer

What does the factory set the spark plug gap at?


.044( thousand's of an inch) . Hope it helps you. Happy wrenching :)

Mar 27, 2010 | 2003 Toyota Tacoma

1 Answer

Tacoma 4cyl idles rough, heditates, multiple misfires


Possible fuel delivery problem, fuel pump, fuel line, clogged fuel filter, leaking injectors or injector O-rings, faulty pressure regulator etc. Check your fuel pressure.

Jun 20, 2009 | 1998 Toyota Tacoma

1 Answer

Cant find the spark plug location on 2002 4cyl tacoma


Locate the spark plug cover on the engine.On some Toyota Tacoma engines, the cover is across the top of the engine. On others, it is along the side 4 cyl. Remove the cover to reveal the ignition coils and spark plugs wires. The spark plug wires are plugged directly into the engine and the ignition coils are in the tip of the spark plug wire.
Remove the coil and wire from the spark plug. Twist and pull the plug out of the engine. Remove the spark plug from the cylinder well with a socket extender and socket wrench. Turn the wrench to the left to unscrew the spark plug from the engine.

Discard the old spark plug and apply a coat of anti-seize compound to the threads of the new spark plug.

Insert the new spark plug into the socket. Use the socket and extension to screw the spark plug into place.

Return the ignition coils and spark plug wires to the engine and turn it to lock the plug in place. Repeat the entire the process with the remaining spark plugs.

Replace the spark plug cover when all of the spark plugs are replaced.

Good luck and hope this helps and The spark plug tension may range between 11 and 15 foot pounds, depending on the size of the spark plug. The correct tension is indicated on the spark plug's packaging.

Apr 19, 2009 | Toyota Tacoma Cars & Trucks

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

1 Answer

1999 toyota tacoma 4x4 rough idle after engine is warm


I have same problem on 2003 toyota tacoma 2.7L EXACT SAME CODES

Oct 24, 2008 | 1997 Toyota Tacoma

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