1996 Toyota Previa Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1996 Toyota Previa

1996 Toyota Previa Problems

Failed 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.

Lean Mass Air Flow Sensor Causing Code P0170

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.

Loss of Power on Highway Due to Internally Leaking Fuel Pulsation Dampener

A loss of power on the freeway may due to an internally leaking fuel pulsation dampener. This commonly occurs on higher mileage vehicles.

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1996 Toyota Previa Questions

What do my back brakes not work? (2 answers)

When bleeding, there is pressure at the "rear level sensor" bleeding valve, but no air or fluid comes out of the rear brake bleeder valves. Rear brakes aren't working ar all....except for the emergency break.

when I push the gas from a complete stop why does the engine hesitate? (1 answer)

when the engine hesitates I have to let off the gas peddle and then I have to barlly push it then the van will get up and go and any rmp it just seems to be at idle not sure why, does any one have some advice, also Havent done a tune up in 2 yrs

how to stop the vibration (rattle) on my front drive shaft. (2 answers)

the rubber flexable couplins have been replaced.

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