Question about 2001 Toyota Sequoia

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Toyota tundra idles speradically till i hit the gas then shutsoff and wont start back up untill the next day

The truck started stumbling up to 50 like it was misfiring. Now it will start and run with a rough idle but the second I hit the gas it shuts off and wont start back up again for several hours. I have changed the spark plugs and wires and the fuel filter. The fuel pump is working good. I had a p0402 code throw up but I have recently replaced both upper and lower o2 sensors. Where do I go from here?

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1 Answer

Pull positive off battery reboot computer try that

Posted on Nov 24, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

dlongav
  • 98 Answers

SOURCE: Toyota 02 is stalling, won't idle

Check the voltage of battery with voltmeter.. It is sometimes possible that if voltage of battery drops and jump start is needed, your computer will only charge to the last voltage that was recognized which would be when jumped...Try and charge the battery if possible I would actually suggest that you have your battery tested at local auto parts store and if it is presumed in good condition ,let them charge for you to max capacity . If battery has been tested and labeled as no good replace if necessary... Oh, and first thing you should do is make sure your positive and negative battery connections are clean and tight...if this didnt fix problem please give more info on what was found when advice above was followed...Good Luck!!!!

Posted on Dec 28, 2008

  • 141 Answers

SOURCE: bad stumble on acceleration pops through t- body.

Sounds like the fuel pressure regulator. Could also be that the timing jumped. But I'm leaning towards the pressure regulator. Hope that I could help. Best wishes.

Posted on Jan 17, 2009

csmock132
  • 4669 Answers

SOURCE: 1992 4x4 toyota does not idle.

After it dies, then you restart, does it run fine for about 30 sec, and then go to ****?

Posted on Mar 01, 2009

GARYca
  • 672 Answers

SOURCE: 2000 Toyota Tundra 4.7L V8 Rough Idle

Clean/Inspect Intake, MAF sensor, IAC valve for proper operation. Also check for vacuum leaks within the air intake hose and intake components. Hopefully this helps

Posted on Jul 20, 2009

  • 6 Answers

SOURCE: 2000 toyota 4runner pulling a random misfire in

try a new crankshaft sensor not hard to change 2 bolts and a wire

Posted on Jul 30, 2009

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My truck will turn over but won't start


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2001 Tundra 4.7 L won't idle when cold. Has new plugs and coils.


The coolant temperature sensor signal to the computer determines fuel injection ratio. When it fails the car will be slow to start and a strong odor of gasoline. turn it off and it will start as normal. A failed sensor will also cause stall at idle speed and poor gas milage. the sensor is located near the top radiator hose connection at the thermostat housing.Use a 19 MM deep well socket.

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I disconnected my battery in 08 tundra and now it wont idle


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It sounds like you may have picked up some small debris from the bottom of the gas tank when you ran it empty. You may need to run a fuel/injector cleaning solution through the next tank of gas to clear the debris and consider changing your fuel filter too. Sea Foam is a great fuel additive and I recomment trying it full strength. Hope this helps!

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yes it is normal many customers complain about how the newer cars are not as responsive from a stop basically you have to hit the gas then the car goes seems to rev high to people with not a lot of movement becausse of this its because the newer cars are throttle by wire when you hit the gas it sends a electrical signal to the throttle to go instead of a few yyears back they were you hit the gas and the cable attached to gas pedal pulls back throtttle much more responsive hope this helps

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1 Answer

High idle at start, using tremendous amount of fuel


How high is the idle speed? I know Tundras, especially the V8s have a high idle speed in order to heat up the engine because it runs better at a higher temp and also because the heat wont blow until the engine is warm

Jul 22, 2008 | 2004 Toyota Tundra

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