2008 CRD Grand cherokee P0670 code - JeepForum.com
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Unread 04-08-2014, 07:30 AM   #1
steveincwmbran
Registered User
2008 WK 
 
Join Date: Mar 2014
Location: Newport, Torfaen uk
Posts: 3
2008 CRD Grand cherokee P0670 code

My 2008 grand Cherokee CRD was turning over bit longer than normal especially when cold, but always started. Decided to change all glow plugs as on original plugs and 56K miles. One of the plugs had dubious reading when checked with meter. Seems to start fine and on cold mornings starts ok also. I got hold of ODB scanner and using app on phone checked codes and have P0670 code coming up as current. This seems to list as glow plug module.
My point is jeep is starting and running fine, is this code just erroneous and will disappear, been couple of weeks now though, or do I need to worry about this. Don't want to waste 200 pound on something until I have a problem that needs sorting. Or could the code mena something else. Also never had mil come on except on initial lamp check, so i know bulb is ok. Any pointers appreciated.

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Unread 04-08-2014, 08:14 PM   #2
jjlmn
Newbie
2008 WK 
 
Join Date: Apr 2014
Location: Eden Prairie, Minnesota
Posts: 7
I had intermittent GP codes last fall . Bit the bullet and replaced all 6 plugs + module . Problem gone.
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