The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.
Car Problem Reports
Toyota Tacoma Failed Emissions Test Due to Blocked EGR System
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Visitor, 1999 Toyota Tacoma
i have problem of egr i have 213000 milles
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chrisdanieledwards, 1999 Toyota Tacoma, 185,000 miRookie
blocked egr valve
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