Question about Cars & Trucks
Code p0402 toyota tacoma 2000
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Posted on Jan 02, 2017
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
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
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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