1994 Toyota Previa Questions

Get answers to questions about your 1994 Toyota Previa at RepairPal. Find solutions, diagnose problems and get back on the road.

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My toyota previa is not engagging gears if you turn the key on the engine will start but if you try to put it on gear Drive evn Reverse the gears are not engagging so l just want to know what could be the problem.thank you

Will a supercharged intercooled Toyota Previa maintain 6 PSI @ 12,000 feet? How much will it loose on my next trip to Aspen, Colorado @ 12,000 feet? Are their any cheap tweeks to maintain 6 PSI ? Respectfully Submitted, Rex McGuire

I have look front and back all around for the sensor. I cant find it, does all previa's have one myn is a LE model.

out oil level in reservoir dropping. also appeared to be coolant coming out of exhaust(white smoke)replaced water pump now no loss of coolant but oil level still dropping.

I have new spark plugs, new wires, new distributor cap, new air filter, oil/filter changed. Could It be that the Throttle position sensor is worn out and affecting my timing advance and increase my HC. The NoX is below avg.

Please can anyone help with a solution to our previa, it use to be very slow on hill because the automatic transmition does not shift the way it should, then the speed will be going very low, and when we scan it gives 42 and 21 from the counting of flashing of check light then i clean and adjust the throttle sensor still the same, please any answer/solution will be appriciated. Thanks.

the van runn's hot if you drive the van to long

the outside track where the sliding door slides open to seems loose. I was told in order to fix it into place they have to take apart the interior rear side panel and then tighten the screws that hold the track in place. IS THAT TRUE? HOW DO I REMOVE THE PANEL?

This problem started suddenly. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stalling. Worse problem is bad hesitation when accelerating after throttle at idle position, sometimes stalling. Worst after stationary idle, but also after moving at low to medium speed with closed throttle and then accelerating. Also very hard to start because of periodic 'backfire' while cranking that brings engine to standstill.

Idle is perfectly smooth for first 1 - 2 minutes after overnight cold start, before missing at idle starts. Missing and hesitation worse the hotter it gets. Turning on air condtioning makes ilde worse, with more frequent stalls. However, during normal driving over about 2000rpm and nomral traffic speeds is perfectly smooth - no missing, no roughness no lack of power, no excess fuel consumtption.

Spent approx $2500.00 on two trips to mechanic, without improvement. Replaced complete distributor, cap, leads, plugs, coil, PCV valve. Tried alternative (used) ECU. No faults being reported by either ECU. Removed throttle body and cleaned thoroughly. None of the above made any difference.

Checked for vacuum leaks, timing, temp sensor, air flow meter, throttle position sensor. All within spec. Idle speed control removed, cleaned and checked. Mechanic performed wet and dry compression test, and while not great (car has done 350,000 km) compression was pretty good and even for a car this age.

Discovered by accident that disconnecting the TPS causes the idle to be perfectly smooth. So smooth you could balance a coin on the engine even at low idle revs of around 650 rpm. In fact drivig with the TPS disconnected is quite acceptable, except that automatic gear change down does not happen (as expected).

Have had the car for approx 13 years and has been a great, reliable family car. Reluctant to dump the car for soemthing that should be fixable. Please help!

1994 toyota previa speedometer quit

the brakes keep leaking down when i press the brakes

I cannot locate the thermostat on my 94 Toyota Previa. Anybody know where it is? I've looked on online manuals but still am not sure. Please help. thanks

I need to know where the thermostat is located on a 94 Toyota Previa 4 cylinder and how to change it and how difficult this will be. Thank you

How to replace the dashboard light?