Check the fuse for the seats, located under then hood to ee if one has blown.
No you are a dumba$$.
low or no oil pressure
isuzu trooper e.f.i 1991 black smoke and running but no power
Most cars today used dual cam or more for power efficiency and lower gas emission for longer mileage.
it just resets the shift points on the trans. it allows you to hold a gear a little longer.
located below power pack at front of motor hose from bottom of radiator connected to it
Starter Relay Isuzu Trooper (Diesel Engine) located in fuse box (engine room), grey color. They have 4 relay (Power Windows-black, AC-black, Engine/Alternator-blue, and Starter-diesel engine-grey)
by reverse breakdown voltage & forward current capacity
GEEK!!!!!!!!!!!!!!!!
Assuming it's the 3.2L engine, its mounted on the front passenger side of the motor below the power steering pump.
Loosen the tensioner pulley. Remove the power steering belt. Remove the power steering hose. Remove the power steering retaining bolts. The power steering pump will come off.
dont do it. on my 2001 it sounds obnoxious and it will not run right due to isuzu's over-engineering on these vehicles.