'98 knock sensor update?
Thread Starter
On The Tree
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From: Atlanta
'98 knock sensor update? Did GM release an updated knock sensor for the 98 LS1s? I want to replace the knock sensors when I intsall a LS6 intake in hopes of exorcising a persistant 4 KR at WOT. For some reason I thought a revised one was made for the 98's.
Thanks
Thanks
Last edited by Torqued; Apr 22, 2005 at 07:41 PM.
Thread Starter
On The Tree
Joined: Dec 2001
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From: Atlanta
Just for clarification part no. 10456222 is the latest version for the 98's? I didn't think the later model year sensors would work becuase of a different connector.
Thanks again.
Thanks again.
Last edited by Torqued; Apr 23, 2005 at 11:57 AM.
TECH Addict
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From: Las Vegas, NV
I'm not 100% sure about this, just 99.9%, but the newer sensors screw in the same as the '98s, it's just that the wire connector is different, so you'd need to get a new wire with the new knock sensors.
KS: part #10456603
KS wiring harness: part #15372170
KS: part #10456603
KS wiring harness: part #15372170
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Originally Posted by Predator
I'm not 100% sure about this, just 99.9%, but the newer sensors screw in the same as the '98s, it's just that the wire connector is different, so you'd need to get a new wire with the new knock sensors.
KS: part #10456603
KS wiring harness: part #15372170
KS: part #10456603
KS wiring harness: part #15372170
The 99+ update isn't cheap
100 for 2 ks's and the harness.
TECH Addict
Joined: Jun 2002
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From: Las Vegas, NV
Originally Posted by SmokingWS6
The 99+ update isn't cheap
100 for 2 ks's and the harness.
100 for 2 ks's and the harness.
You could probably get everything a lot cheaper at gmpartsdirect.com.
Originally Posted by Predator
That doesn't seem too bad considering that someone else here paid $55. each for the knock sensors, at a dealership. And it seems that you're not replacing bad sensors, just upgrading them.
You could probably get everything a lot cheaper at gmpartsdirect.com.
You could probably get everything a lot cheaper at gmpartsdirect.com.
I have my dealer discount, its as cheap as I can get them. 35 each.
I'm just upgrading them, save the trouble of them going out a week after putting a ls6 manifold on. I guess like the saying says. You've got to pay to play.
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From: Las Vegas, NV
Originally Posted by SmokingWS6
I have my dealer discount, its as cheap as I can get them. 35 each.
I'm just upgrading them, save the trouble of them going out a week after putting a ls6 manifold on. I guess like the saying says. You've got to pay to play.
I'm just upgrading them, save the trouble of them going out a week after putting a ls6 manifold on. I guess like the saying says. You've got to pay to play.
Just for clarification part no. 10456222 is the latest version for the 98's? I didn't think the later model year sensors would work becuase of a different connector.
I'm not 100% sure about this, just 99.9%, but the newer sensors screw in the same as the '98s, it's just that the wire connector is different, so you'd need to get a new wire with the new knock sensors.
KS: part #10456603
KS wiring harness: part #15372170
I'm confused. Which knock sensor should I buy 10456603 or 10456222 and why? What's the difference between the two?
Thanks!!
I'm not 100% sure about this, just 99.9%, but the newer sensors screw in the same as the '98s, it's just that the wire connector is different, so you'd need to get a new wire with the new knock sensors.
KS: part #10456603
KS wiring harness: part #15372170
I'm confused. Which knock sensor should I buy 10456603 or 10456222 and why? What's the difference between the two?
Thanks!!
TECH Addict
Joined: Jun 2002
Posts: 2,428
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From: Las Vegas, NV
Get two #10456603.
People have had problems with '98 sensors causing a continuous 4* of knock retard. I'm not sure what all the differences are between the '98, and '99 and up sensors. I do know that the connectors at the sensor are different, that's why you need to replace the '98 wire with part #15372170.
Hope this is clear.
People have had problems with '98 sensors causing a continuous 4* of knock retard. I'm not sure what all the differences are between the '98, and '99 and up sensors. I do know that the connectors at the sensor are different, that's why you need to replace the '98 wire with part #15372170.
Hope this is clear.
TECH Regular
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Are you guys sure the 98 PCM is compatible with the new type sensor ? Same frequencies etc. ?
Anyway, the 98 knock detection is POS. Just run the car with 30% toluene in the gas and quite conservative timing ... still the same knock. I'm going to delete knock retard
Anyway, the 98 knock detection is POS. Just run the car with 30% toluene in the gas and quite conservative timing ... still the same knock. I'm going to delete knock retard
I've ran 30* with no kr at times, go figure.
Anyway, the reason 98's are plagued with the 4*'s is due to the fact thats the max retard allowed by the 98 pcm. I know in later years they upped it to 6* or higher.
Anyway, the reason 98's are plagued with the 4*'s is due to the fact thats the max retard allowed by the 98 pcm. I know in later years they upped it to 6* or higher.
Thread Starter
On The Tree
Joined: Dec 2001
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From: Atlanta
I finally received the 12575869 harness from GMPartsdirect after 4 phreakin weeks and started tearing things apart. Pulled out the old knock sensors expecting to find 10456222 and to my displeasure they're stamped 10456603. WTF !!! I didn't think these sensors were put in 98's. Anyways I'm going to button things up and log some runs with the new "new" sensors...