I believe that it's just above the Front Right spark plug coil.
It has a vacuum hose attached to it.
EGR valve is in engine compartment, next to firewall, slightly left of centerline when looking at the engine from the front (bumper).
1999 Isuzu trooper
Radio antennae are located in the rear side windows.
The sister vehicle of the Isuzu Trooper is the Acura SLX
The shift lock solenoids are located on the valve body on a 1999 Isuzu Rodeo. There are two shift solenoids.
A 1999 to 2001 Acura SUV and a 1999 Isuzu Trooper are different vehicles with distinct dimensions and designs, meaning they are not directly interchangeable. The Acura SUVs from that era, such as the Acura MDX or RDX, have different body styles and specifications compared to the Isuzu Trooper. Therefore, parts or components from an Acura SUV are unlikely to fit a 1999 Isuzu Trooper without significant modifications.
In the fuel tank
blown fuse?
how to set the timing on 3.5 liter engine on a trooper 98
ATF-III
Its under the intake
The crankshaft position sensor on a 1999 Isuzu Trooper is located near the bottom of the engine, typically on the driver's side. It is positioned near the crankshaft pulley, often mounted to the engine block. Accessing it may require removing some components for better visibility and ease of replacement.