1997 Toyota Previa Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1997 Toyota Previa
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1997 Toyota Previa ProblemsFailed Emissions Test Due to Blocked EGR System
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.
Occasionally, the mass air flow sensor can go lean and set a code P0170 for fuel system lean. This in not an oxygen sensor problem. If there are no vacuum leaks, the mass air flow sensor may need to be replaced. Our technicians remind us to use a factory part because the aftermarket rebuilds are very inconsistent.
A loss of power on the freeway may due to an internally leaking fuel pulsation dampener. This commonly occurs on higher mileage vehicles.
1997 Toyota Previa QuestionsI am wondering what to do with my Limited slip differential? (3 answers)
Over a year ago i replaced the oil in it. I used an oil which should be for LSD. But shortly after the change I have been hearing clunking noises and the LSD works as an open diff. The car: European Toyota Hiace 97" (I believe it maybe called a Granvia in the US) I beleive the LSD is of the ...
been told number 3 has got a misfire what is firing order thanks john
fuel pressure ok, battery new,change spark plug wire and spark plugs and checked crank sensor.Tried to start the engine no fire and flooded the engine.