C5 "fixes"

CCO

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#2
Nice find, C5'er -- lot's of info in there including some non C5 info.
Thanks.
C.
 

Riley P

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#3
Made it a Sticky as there is some good information on repairs.
 
Oct 13, 2011
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#4
Great information, thanks for sharing.
 

CCO

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#5
Perfect for you Wayne -- just in case...

C.
 

Dub

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#6
Great info. As a new member I think I can learn a lot from this post alone.
 

Repeatguy

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#7
Great info! Thanks! That's what forums are all about.
 
Jul 1, 2018
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#8
hey C5 owner any info on a 2004 automatic C5 when it shows reduced engine power?
changed the throttle sensor ran great now it's back to the same thing can't get over 30 miles an hour.
any known remedies?? thanks
 

nascar03

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#9
mandalay....
Have you run the codes yet to see what comes up?
Google how to check the codes and let us know what you find.
And Welcome to the CCForums.

Graham
 
Last edited:
Jul 1, 2018
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#10
hey NASCAR thanks Graham..!!
yeah.. p0120 which is accelerator throttle sensor which I change and put a new one on ran great for about a week
and before that "tire monitoring system"
2 other codes 1278 and 1287
shure appreciate your input my friend.. I'm far from a mechanic!!
 

nascar03

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#11
C1278 TCS Temporarily Inhibited By PCM
C1287 Steering Sensor Rate Malfunction

Like everyone else says..
Check your grounds as a possible fix.

Good luck
Graham
 

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