under the intake manifold just had new ones put in +2003 6.o Chevy
Location of knock sensor 1991 GM sierra 350 2500?
As you are looking at your truck from the front the knock sensor shoud be on the passenger side right under the manifolds
There is 2 of them and both of them are underneith the intake manifold. You will have to remove the intake to service the knock sensers.
There is 2 of them on that engine and there both underneith the intake manifold. You will have to remove the intake to even see and get to them. No other way.
It's an AC Delco Knock Sensor Module
It's an AC Delco Knock Sensor Module
The 4.8, 5.3 and the 6.0 GM engines require removing the intake manifold to replace a knock sensor.
It's an AC Delco Knock Sensor Module
There's 2 of them on that engine. Sorry to be the 1 to tell you but they are underneith the intake manifold. You must remove the intake to even see them.
code 43 except2.2or2.5 4flashes pause 3flashes electronic sparkcontrol knock sensor circuit probable cause faulty knock sensor or mem_cal.
It is located on the tailshaft of the transmission, on the passenger side.
the knock sensors (there are 2 of them) are located under the intake manifold on the 5.3 engine,,,,,requires complete removal of manifold to replace.