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What does the code p0402 mean on a toyota tacoma 2000?

Code p0402 toyota tacoma 2000

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Call dealer. Ask for mechanic. he will tell you.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: 2000 toyota camry v6 code p0402

The egr valve on that motor has a egr positioning sensor mounted on top. The sensor goes bad and the ecu can't determine the how far the valve is opening so it opens it too much. This causes surging of the engine under light throttle application. Also as stated above the egr can stick causing rough idle. Either way if you get the valve from the dealer it will come with the sensor solving both your problems.

Posted on Apr 19, 2009

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SOURCE: how to change the check engine light on a 2000 toyota tacoma

i had the same thing, i had it tested at auto zone and they said it was the obd2. i was told the o2 sensor was not a big deal so i reset the check engine light by holding down the trip meter button while starting her up and it has not been on since.

Posted on Jun 23, 2009

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SOURCE: P0402 code

follow the vaccum line from the egr valve back to the silinoid that silinoid is defective or unplugged. the egr valve is below the breater tube on the back side of the engine

Posted on Aug 25, 2008

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SOURCE: 2000 tacoma

are your pads, shoes good and not worn to the metal. is the fluid level correct. check these before replacing sensors and other money wasting parts

Posted on Dec 31, 2008

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SOURCE: need plug wire schematic for 2000 toyota tacoma

REMOVE THEM ONE AT A TIME THIS WAY YOU DONT GET THEM MIXED UP.

Posted on Mar 19, 2009

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P0402 1997 Toyota Camry 4 cyclinder 4 door, encountered P0402 has 3 months already. The car is drivable. What is the solution? Could replacement of a vsv value resolve this issue? Which part can I buy


Hi,
That is the code for Exhaust Gas Recirculation Flow (EGR) Excessive Detected

Read more at: http://www.obd-codes.com/p0402
Copyright OBD-Codes.com

Go to the site and review what causes and can be checked to fix it.

I'd start w/cleaning the EGR valve - free fix - and then consider replacing the part. I'd look for USED parts @ a local Salvage/Wrecking yard vs. buying new, due the cost and the fact that this is an older car.

GL,
TD

Mar 14, 2014 | Toyota Cars & Trucks

1 Answer

2000 Toyota tacoma with code P0171.


You don't say if it is a 4 cyl or 6 cyl engine.
The code means the O2 sensor is telling the computer the engine fuel mixture is too lean and the computer can not make the injectors provide enough extra fuel to make the sensor go rich.
Reasons can be a faulty cooling thermostat, low fuel pressure, vac leaks, exhaust leaks, and other engine problems.

Jul 28, 2012 | Cars & Trucks

1 Answer

Time string toyota tacoma 2000


Time string? Do you mean the timing belt? 100-140 miles is a good rule of thumb. Definitely have a pro do it though, things can get tricky on a truck that new.

Nov 17, 2011 | 2000 Toyota Tacoma PreRunner

1 Answer

Failed emissions got p0301,p0402 please help


V6 or 4cyl????
P0301- #1 cylinder misfire -Old/Fouled Plugs -Faulty spark plug wires/distributor or rotor (4cylinder only) -Faulty cam/crank sensor (v6 only) -Faulty #1 ignition coil or coil electrical connector (V6 only) -#1 Compression loss
P0402- EGR Issue A code P0402 most likely means one or more of the following has happened:
  • The DPFE (differential pressure) sensor is faulty and needs to be replaced
  • There is a blockage in the EGR (most likely carbon buildup)
  • The EGR valve is faulty
  • The EGR valve may not be opening due to a lack of vacuum

Jun 07, 2011 | 1996 Toyota Camry

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How to change a fuel bank sensor #1 code p1135 on


P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1) ask any auto parts store what the fix is.

May 17, 2010 | 2002 Toyota Tacoma

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Engine Light is on. Where do I look to find the


at the bottom of the dash on the drivers side,

Dec 26, 2009 | 2000 Toyota Tacoma PreRunner

1 Answer

2000 toyota camry v6 code p0402


most of the time i see this code you want to check the vacume switching valve for the egr ,i hardly see it where the egr is the issue you may want a mechanic to check this you can check it yourself but you would need toyota diagnostic specific info where you would need to apply voltage to the sensor and check the operation of the valve restricting or letting air flow hope this helps

Apr 28, 2009 | 1998 Toyota Avalon

1 Answer

Check Engine Light Reset


I don't subcribe to this idea personally but disconnecting the battery on that truck (negative cable) will clear the codes. There is no method for this vehicle (like the old GM's) to get the code meanings or #'s without at least a hand scanner. You can pick one up fairly inexpensively

Nov 04, 2008 | 2000 Toyota Tacoma PreRunner

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