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08, m8, speedwerks, ecu 2-1 issue

C
Jan 12, 2008
243
12
18
2008 m8, speedwerks y-pipe, pipe and silencer, stock air intake, boondocker etc...I cannot get rid of the dreaded ecu 2-1 knock sensor failure code. Code flashes at w.o.t. only...I did change out both the ecu and the knock sensor with no luck...Any suggestions ???? Thanks !
 
M

minet

Well-known member
Nov 26, 2007
1,494
143
63
maybe you need some more fuel at wot ? /shrug , what numbers are you using
 
C
Jan 12, 2008
243
12
18
High teens for #'s in "high" range...Another question...What's the difference between ecu 2-1 ( knock sensor failure ) and ecu 2-3 ( Knock sensor activated ) I understand that the code 2-3 is telling you that the timing is being retarded, but what causes ecu 2-1 to flash ?
 
R

Rms Rydning

Well-known member
Sep 30, 2006
285
72
28
North Norway
High teens for #'s in "high" range...Another question...What's the difference between ecu 2-1 ( knock sensor failure ) and ecu 2-3 ( Knock sensor activated ) I understand that the code 2-3 is telling you that the timing is being retarded, but what causes ecu 2-1 to flash ?
2-1 the sensor it self is gone/defect.2-3 is flasshing when it sens knock and retard the timing.
 
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