4.0L H.O TO NON-H.O Swap
12-20-2010, 02:42 PM
#18
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Year: 1998
Model: Cherokee
Engine: 4.0 L6 Srt
Could this be a case of detonation?? (Sounds like a knock but it isnt)
Can you determine which cylinder is having this problem??
If it didnt have one (knock sensor) then you dont need one..
and this only happens every so often, right?
I dont think its a knock sensor thats causing the knock, you might have to look in another direction?
Can you determine which cylinder is having this problem??
If it didnt have one (knock sensor) then you dont need one..
and this only happens every so often, right?
I dont think its a knock sensor thats causing the knock, you might have to look in another direction?
12-20-2010, 02:49 PM
#20
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Year: 95
Model: Cherokee
Engine: 4.0
Could this be a case of detonation?? (Sounds like a knock but it isnt)
Can you determine which cylinder is having this problem??
If it didnt have one (knock sensor) then you dont need one..
and this only happens every so often, right?
I dont think its a knock sensor thats causing the knock, you might have to look in another direction?
Can you determine which cylinder is having this problem??
If it didnt have one (knock sensor) then you dont need one..
and this only happens every so often, right?
I dont think its a knock sensor thats causing the knock, you might have to look in another direction?
what would you suggest it is
12-20-2010, 02:57 PM
#21
☠ CF Sheriff ☠
This is correct. You do not need the knock sensor hooked up to the ecu. Leave it in the block just as a plug and cut the wires off.
12-20-2010, 03:10 PM
#23
☠ CF Sheriff ☠
actually, i think it's just a threaded closed hole used for vibration pickup. Leave that sucker off!
12-20-2010, 03:13 PM
#24
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Year: 1998
Model: Cherokee
Engine: 4.0 L6 Srt
I would guess it may a fuel delivery problem.. timing of injector pulse, could be a sensor for timing as well.
Lean conditions can cause knocking.. Im not a pro at this but i just going by what ive read and own experience with detonation. I had to much air without enough fuel causing the knock and eventually threw a rod..
google detonation and it should give you a better understanding.. sorry im not a
..lol
Lean conditions can cause knocking.. Im not a pro at this but i just going by what ive read and own experience with detonation. I had to much air without enough fuel causing the knock and eventually threw a rod..
google detonation and it should give you a better understanding.. sorry im not a
..lol
12-20-2010, 03:24 PM
#26
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Year: 95
Model: Cherokee
Engine: 4.0
will i dont have a connection for the sensor or the sensor it self and how i can tell that it the knock sensor is because i have a lot of carbon build up on my spark plugs
12-20-2010, 03:45 PM
#29
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Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
the 95 4.0 has 220 hp from the factory the 96 has 225 this might have been accomplished by different internal timing ? the 95 ecm might mot be the same as the 96 ecm ?