Question about 2003 Toyota Tundra

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2003 Toyota Tundra Starts On It's Own

Starts on it's own with no key in ignition

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: 2008 Toyota Tundra shuts off immediately after starting up

It sounds like you have a bad key-transponder ECU. It should still be under watrranty. This is a known problem, and a bulletin has been distruiibuted to address this issue.

Posted on Mar 23, 2009

Murphybanton
  • 2004 Answers

SOURCE: 2003 Toyota Tundra 4x4 Reg cab. The truck starts

Check the fuel pump and the spark plugs.

Posted on Aug 30, 2009

  • 1861 Answers

SOURCE: 2000 Toyota Tundra starts occassionally. Sometimes

Welcome to FixYa! You need to replace the starter solenoid contacts, or the starter itself.

Note that the starter is UNDER the intake manifold. This is a VERY difficult job, and is not recommended to those who do not have sufficient automotive experience.

If you DO remove the intake, you MUST replace the intake manifold gaskets, or your engine will not run properly, due to air leaks at the intake mating surfaces.

Posted on Sep 12, 2009

  • 1861 Answers

SOURCE: 2003 Toyota Tundra Limited Stepside truck. No Brake light

Hello.

We would suggest that you look at the wiring connector under the bed, that feeds the taillamps.

You will probably find a coroded wire in the connector. If the 3rd brake lamp works, all of the fuses and switches are good.

Posted on Dec 25, 2009

Testimonial: "All connectors were fine. It ended up being that both brake light blubs blew at the same time. Thanks"

ftw1952
  • 10319 Answers

SOURCE: my rav 4 2003 model ignition key shell was

Strip the plastic off the head of the key. The key code should be under that part stamped into the metal keys head

Posted on Apr 15, 2010

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1 Answer

I have a 2005 toyota tundra and for some reason the dash lights stay on when the key is out. It draws the battery to *****. I cleaned the battery cables. Any suggestion?


check your doorswitches, test them take them out bridge the circuit and see if any chance. if not problem could be in ignition the plug behind ignition barrel could be faulty

Jul 12, 2016 | 2005 Toyota Tundra SR5

1 Answer

Have a bad positive battery cable on 2000 Toyota Tundra V8


Doubt it is the Battery Cable, even with some corrosion

You do a Voltage Drop test on Cable before you remove
to examine or replace

Put Volt Meter probes on both ends of cable & see if
you drop more than .02 Volts,then it is either bad inside
or the ends need cleaning

Check Fuel Pressure. That is a more likely cause of the slow
to start or weak ignition spark

Oct 17, 2012 | 2000 Toyota Tundra

4 Answers

I have a 2000 toyota corolla and the key will only turn to acc. We have tried the other key. The stering wheel is unlocked. We have jiggled the shifter to make sure it is in park.


See if you turn the wheel and try to turn the key at the same time if it releases. We might get a free spot where the key should turn. The lock may be in a bind and pressure on it may release it.
Clean and lubricate the lock cylinder. Electric cleaner to flush the dirt and liquid graphite to lubricate. A substitute for the electric cleaner is a spray of isoprophyl alcohol.
You may also need to tap the assembly for the ignition switch to release the mechanical parts. See if you can get the cover of the steering column off to gain access to the ignition switch assembly.
Check also if the spare does the same, other wise the key may have deformed.

May 02, 2011 | Toyota Corolla Cars & Trucks

1 Answer

2007 TOYOTA TUNDRA MAINTENANCE REQUIRED LIGHT FIX


If it is the same as 2006 model
Put the key into the ignition and press the odometer button. While holding down the odometer button, turn the key to the on position. You will see "-----"on the odometer display. It will count down "-----" "----" "---" "- -" "-". Then you will see zeros on the odometer display "000000". You can now release the odometer button. This will reset the maintenance light on your dash!!!!!!

Aug 26, 2010 | 2007 Toyota Tundra

1 Answer

2003 Toyota Tundra Limited Stepside truck. No brake light. But the 3rd brake light works. Already checked the 15 amp fuse by the steering column


Hello.

We would suggest that you look at the wiring connector under the bed, that feeds the taillamps.

You will probably find a coroded wire in the connector. If the 3rd brake lamp works, all of the fuses and switches are good.

Dec 25, 2009 | 2003 Toyota Tundra

2 Answers

2000 Toyota Tundra starts occassionally. Sometimes starts right a way, sometimes have to turn the ignition key several times before it will fire. Battery good, all terminals cleaned. What should I check.?


Welcome to FixYa! You need to replace the starter solenoid contacts, or the starter itself.

Note that the starter is UNDER the intake manifold. This is a VERY difficult job, and is not recommended to those who do not have sufficient automotive experience.

If you DO remove the intake, you MUST replace the intake manifold gaskets, or your engine will not run properly, due to air leaks at the intake mating surfaces.

Sep 12, 2009 | 2000 Toyota Tundra

1 Answer

2008 Toyota Tundra shuts off immediately after starting up


It sounds like you have a bad key-transponder ECU. It should still be under watrranty. This is a known problem, and a bulletin has been distruiibuted to address this issue.

Mar 23, 2009 | 2008 Toyota Tundra

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