Code 52

lagged

1991 1JZ
Mar 30, 2005
2,616
0
0
38
new rochelle
make sure they are plugged in. test continuity from the plug to the pin at the wireharness where it plugs into the ECU.
 

Supra Blues

Virgin Booster
Mar 30, 2005
373
0
0
46
Supramania
This goes along with what Lagged said but be sure to check the condition of the plug too. I tested what lagged did, but when I plugged it in, the plug itself was in such bad condition, that it didn't make good contact with the knock sensor.