Could be a number of things. Ignotion Coil bad,ignition switch bad?
Count the sparkplug wires.
Check spark plug wires, and voltage on the distrubutor.
The O2 light means the oxyogen sensor is needing to be replaced. It should be some where in the exhaust system.Answerit is located on the exhaust manifold with wires to a plug coming from it
change plug wires on 1998 isuzu hombre 2.2
A Distributor cap is the device that the spark plug wires are connected to. It distributes spark from the ignition coil through the wires to each spark plug.
computer memory may be blank. if you unhooked your battery or it went dead for any period of time you may need to get your computer memory re flashed. cost is about 75 bucks at the dealer.
YOu need to remove the belt off the front of the engine, it is under the plastic cover in the top. It has three wires plugged into it. On mine one was black and blue, one was blue, and one was green. I found one at a wrecking yard.
proly needs a tune up most likely plugs wires distrubutor cap and rotor button
The knock sesor is located, on your Isuzu 1290, at the front of the engine. The sensor screws into the engine. Wires connect the sensor to the senor light.
This is a safety issue but if you do it just connect the wires together.
its on the end of the wires just above the air filter housing unit
you can check your local library for the chilton's manuel and xerox a copy and it will tell you word for word what you're looking for