Low oil pressure on any vehicle is caused by either loose (wore out) bearings or not enough oil in the crankcase. If you have "spun" a bearing, this will cause it as well. If your vehicle has a lot of miles, you may consider going with a heavier weight of oil like 20W-50, or straight 40W during the warmer times of the year. If you have lots of miles on your vehicle and are running synthetic motor oil, this will definitely cause low oil pressure. Sythetic motor oil it VERY thin, and if your vehicle has many miles where the bearings are starting to become sloppy, the synthetic blends will not maintain oil pressures like conventional motor oils. If you don't have any major engine noises (knocking rods, or lifters tapping) consider switch to a conventional motor oil, especially if you have over 100,000 miles on the vehicle. This applies to any vehicle with high miles.
Check the fuse for the seats, located under then hood to ee if one has blown.
To fix the backup lights on a 1998 Isuzu Trooper, start by checking the bulbs to ensure they are functioning. If the bulbs are fine, inspect the fuse related to the backup lights in the fuse box, and replace it if blown. Next, examine the backup light switch, usually located on the transmission, to ensure it is working properly and making a good connection. If these components are functioning but the lights still don't work, there may be an issue with the wiring that needs further investigation.
If a smog inspector said that the EGR EVAP and Fuel Pressure sensor are modified on a 1988 Isuzu Trooper II 2.6, then the problem has to be fixed before the smog inspector will approve the vehicle for registration. The EGR EVAP and Fuel Pressure Sensors have to be put back the way they came from the factory.
Fix - 1998 was released on: USA: 1998 (Dances With Films Festival)
you don't, buy a new one
dtccode.com : Evaporative Emission Control System Pressure Sensor High Input
try fuelpressure regulator
dtccode.com : Evaporative Emission Control System Pressure Sensor High Input
how can i fix the code po441 for toyta Camry 1998
The oil pressure sensor could be defective as they can be clogged over time. You can use an oil stabilizer or replace the sensor if the oil stabilizer does not fix it.
you cant it is basicly impossible i know because i tried and no sucsess
The relay may be bad. Replace it and if that doesn' fix it, the wire comming from the horn button is grounded somewhere.