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+--- Thread: 2006 ISX CM870 High Pyro, surging under load (/showthread.php?tid=6248)
RE: 2006 ISX CM870 High Pyro, surging under load - NameRemoved99 - 06-19-2022
(06-19-2022 )tree98 Wrote: No it would still start
Okay good thanks
RE: 2006 ISX CM870 High Pyro, surging under load - Rawze - 06-21-2022
(06-21-2022 )Sage91 Wrote: Got my truck running, but its not making the turbo warm up noise, like a jet getting ready for take off, my original cm870 always did this, last 2 turbos have not have made this noise when airing up, like a nice whistle when airing up , anybody know what im talking about?
maybe it had a boost leak>??
RE: 2006 ISX CM870 High Pyro, surging under load - Nilao - 06-21-2022
Usually the turbo will be open on an 870 at idle while cold. The only reason for it to close is for EGR and it won't call for EGR till it is up to operating temperature.
RE: 2006 ISX CM870 High Pyro, surging under load - Rawze - 06-25-2022
if the engine has a bad de-mandate program in it then it may cause the turbo to do things it is not supposed to.
RE: 2006 ISX CM870 High Pyro, surging under load - Rawze - 08-11-2022
maybe this similar thread helps...
http://rawze.com/forums/showthread.php?tid=8370&pid=72522#pid72522
RE: 2006 ISX CM870 High Pyro, surging under load - Rawze - 08-11-2022
(08-11-2022 )Sage91 Wrote: Does cpl # 8518 and 8520 use the same turbo?
NO THEY DO NOT.
the 8518 uses turbo #4043214
the 8520 uses turbo #4036666
RE: 2006 ISX CM870 High Pyro, surging under load - Rawze - 08-15-2022
(08-14-2022 )Sage91 Wrote:(08-11-2022 )Rawze Wrote:(08-11-2022 )Sage91 Wrote: Does cpl # 8518 and 8520 use the same turbo?
NO THEY DO NOT.
the 8518 uses turbo #4043214
the 8520 uses turbo #4036666
Thank u for the info
maybe this also helps...
ref: http://rawze.com/forums/showthread.php?tid=8281&pid=71892#pid71892