bad knock sensor?

[ECLIPSE4x4]

Ok, I have new at the tuning so be gentle. Here is the deal. At trying to run 18 lbs or more I am getting terrible knock. I will get 6 counts or more. I am using the link and when I have the timing sliders at 0 across I get bad knock. I actually decreased the timing to below the zero bar and it seemed liked it helped a little.

On my third gear pulls my O2 volts are arounf .92-.94 . arounf 4000 rpms and up is when I see the knock. I can not get any more than 8 degrees advance, 10 if I am lucky

I know I should be doing better than this on 18 psi and pump gas with a 50 trim. Anyone else think itcold be a bad knock sensor?

Thanx

 

[Jason's TSI]

The only other thing that I can think that could be causing the knock is possibly a boost leak, if you have one the turbo might be working that much harder to produce boost and contributing to the increased knock.

 

[ECLIPSE4x4]

I did a leak check and it was god. I am also gonna do the MCCC this friday and see if that helps.

 

[04DrBlur]

Do your lifters tick at all at start up or at idle?

 

[ECLIPSE4x4]

Originally posted by 04DrBlur
Do your lifters tick at all at start up or at idle?

nope, not since I have installed new cams.

 

[KRAZYKOREAN]

It could be alot of things..

 

[ECLIPSE4x4]

well I swapped knock sensors and it helped a little but I am still getting timing pulled. I am going to run MCCC through it friday. Any good reports of this decreasing knock count.

Oh and Jihan.... thanx for your helpful input

 

[nineD5_GS-T]

How are you seeing knock in your 2g? Do you have DSMlink?

 

[ECLIPSE4x4]

Yes, I have DSM Link.

 

[KRAZYKOREAN]

Originally posted by ECLIPSE4x4

Oh and Jihan.... thanx for your helpful input

No prob man..thats why I am here...I know on the 1g if you stik a nylon washer between knock sensor and the block..that it helped alot...worth a try...

 

[loreak]

im having the same kinda problems on my 20g, i get horrible knock even at somewhat low boost, im cleaning mine with MCCC and putting new TB shaft seals and spark plugs

i did a run a while back and got like 0 knock at 18psi with -25 on the afc and now i do a run at 18psi with -18 on the afc and i get 20+ knock

at the track i was only able to trap 108 on racegas at like 22psi, i was like wtf, so i gotta fix something too, i was hitting like 101-104 on pump, but its weird cuz my friends 02 camaro traps 104 and i have walked him pretty good on pump gas on the street before but at the track he was pulling me until i put racegas in UGHHH

 

[Zex4g63]

Quick reminder, there is a proper torque for knock sensors, if they are too tight they become more sensitive and too loose......you get the idea.

 

[ECLIPSE4x4]

Originally posted by Zex4g63
Quick reminder, there is a proper torque for knock sensors, if they are too tight they become more sensitive and too loose......you get the idea.

Yep got the proper torque...

 

[Kevin Jewer]

To hell with O2 voltage. Chances are that sensor is off ten times more than your knock sensor is. What size injectors, what base pressure, and what global/sliders settings? Is your global and dead time set correctly, and if so, what AF ratio does DSMlink indicate assuming you have the options box setup correctly?