Knock sensor
2.2L 4 banger, most are on side of engine block.
ill look for your.
does the PCM scans tell you its bad? that be first.
its just a microphone, and can be fooled
a bad valve train can make noise and fool it.
the knock sensor has 2 wire,(few things do there)
one wire is yellow, other is green. (clue 2) this usually nails it.
my online isuzu books sux a bit, zero locator.s
but guess what, 3rd google search.
and is where most are, on 4 bangers.
id use a stethoscope ($4) to listen to see if engine has internal noises first, (not ping) but valve train or piston slap, or rod knocks.
why not post symptoms and not just hunts....????
SOURCE: 98 subaru impreza knock sensor
at the top of the block under the plenum runners.
please leave feedback
cheers
SOURCE: Engine Knock on a 98 Isuzu Rodeo
Most likely it is a rod bearing and motor would have to be dissassembled to diagnose, you might want think about installing a low milege used replacment since it was run 5 quarts low on motor oil.
SOURCE: the location of the ecm fuse on 98 isuzu rodeo
ECM fuese are located in the fusebox in the engine compartment-left sidefacing the vehicle.
SOURCE: Crank Sensor in 94 Isuzu Rodeo
it's on the bottom of the motor, towards the back on the passenger side. It has a small clip of wires and one screw holding it on. You may want to pull it up on ramps- if it'll run- otherwise, get under the Rodeo, it's up a little higher than the oil pan, and to the passenger side. (it's right on top of the two lines that run to the bottom of the radiator.) You will need a 10mm socket to remove it. I have added a few pics showing the location (i just completed this task myself)
SOURCE: 2001 Isuzu Rodeo 4 cyl 2.2L 2WD that is overheating
check the electric fan conector plug some times is rusti scratchet whit a sharp scruwdriver remove the rusti or dirt on it this happens many times and step two check the relay and thats it (this is the first step a mecanic to search)
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