expand_more2.0 with gasoline straight-4 2.0 L 99 HP engine (1990.2–1995.8)
With interruptor
52°00'±6°00' - before TDC + after TDC
Delta lambda
0.03 λ0.03 λ0.03 λ
expand_moreIgnition time
All other modifications
-5°00' - before TDC + after TDC
at max. 950/min
expand_moreIncreased idling speed
All other modifications
2300–2800 rpm2300–2800 rpm2300–2800 rpm
Lambda sensor design
Jump type lambda sensor
expand_moreLambda value
All other modifications
0.97–1.03 λ0.97–1.03 λ0.97–1.03 λ
Maximum HC content at idling
100 ppm100 ppm100 ppm
Speed for disturbance variable
550–950 rpm550–950 rpm550–950 rpm
Test speed for lambda sensor signal
550–900 rpm550–900 rpm550–900 rpm
Voltage swing at test speed
0.4 V0.4 V0.4 V
(More than).
To reduce environment impact and pass government inspections keep emission parameters at the level prescribed by Toyota.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1991 Toyota HiAce Box user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Toyota warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Toyota HiAce Box service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 1991 Toyota HiAce Box you're not only saving money, but also also improving your technical skills and learning something new.
1991 Toyota HiAce Box generations
In 1991 Toyota offered 2 generations of the HiAce Box. Emission may vary in different generations. Be sure that you are looking at the rigt modification.