Urgent help needed!
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Junior User
Joined: Jan 2011
Posts: 70
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From: Central Texas
Urgent help needed!
I am on the road at the in-laws, very limited tools 2 hours from home. I started my truck this afternoon and felt a very noticeable miss or shake. Hoped it would get better as it warmed up....just wishing. Started to drive it to the store and the shake was pretty intense when not under load (meaning not while accelerating). I have a SGII but none of the guages I have programmed are showing any issues. I plan to program in the xguages for monitoring injector misses...any help out there would be great!
Postmaster
Joined: Oct 2007
Posts: 4,202
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From: Illinois
I am on the road at the in-laws, very limited tools 2 hours from home. I started my truck this afternoon and felt a very noticeable miss or shake. Hoped it would get better as it warmed up....just wishing. Started to drive it to the store and the shake was pretty intense when not under load (meaning not while accelerating). I have a SGII but none of the guages I have programmed are showing any issues. I plan to program in the xguages for monitoring injector misses...any help out there would be great!
Are you able to scan for codes? Any loss of fluids or other symptoms?
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Junior User
Joined: Jan 2011
Posts: 70
Likes: 0
From: Central Texas
yes i do now.. I just set them up and drove it about two miles or so. No misfires are showing up, and I noticed the worse shaking begins when it shifts into overdrive or the highest gear.
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Senior User
Joined: Dec 2011
Posts: 110
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From: Napoleon, OH
I dont believe the misfire counter works does it?
Do you have DTC xgauge it will tell you if there are codes the scangauge cant read.
Do you have DTC xgauge it will tell you if there are codes the scangauge cant read.
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Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
well that Sucks sorrey to hear that
sounds like an injector
any smoke?????
and since you just did recent work hows the ICP and IPR%
I think SG only gets Generic codes that have Lite the CEL all manufacture specific codes IDK
scangauge is a great gauge but anything more IDK AE is the next best bet
sounds like an injector
any smoke?????
and since you just did recent work hows the ICP and IPR%
I think SG only gets Generic codes that have Lite the CEL all manufacture specific codes IDK
scangauge is a great gauge but anything more IDK AE is the next best bet
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Junior User
Joined: Jan 2011
Posts: 70
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From: Central Texas
Thanks guys! That's what I was afraid of. Obviously noone is open today. I guess I will have to find someone tomorrow. I didn't get anything off the rent-a-puter from the auto parts store. When I did a KOER it came back with a P1780- transmission O/D switch error. Anyone ever heard of that? I don't think that would shake the truck when it goes into O/D would it?
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
is it smoking bad if it is I wouldnt drive it
thing is if an injector is dumping fuel in a cylindder it will eventuly burn a hole in the piston or hydrolock it
You maybe able to figure out what injector it is by unplugging them 1 at a time when you get to an injector that has no change when unplugged you found it
all good injectors when unplugged will make it run worse
to bad you didnt get a hit on a code
that would be to easy right
If its not smoking Hard like its dumping fuel in overfuel condition you might could get it home IDK thats up to you any smoke and dont do it
this could also be a BAD FICM or Injector Harness try wiggling the injector harness around and see if there is any change
hows the FICM Volts
Guess I shouldnt call a bad Injector just yet
thing is if an injector is dumping fuel in a cylindder it will eventuly burn a hole in the piston or hydrolock it
You maybe able to figure out what injector it is by unplugging them 1 at a time when you get to an injector that has no change when unplugged you found it
all good injectors when unplugged will make it run worse
to bad you didnt get a hit on a code
that would be to easy rightIf its not smoking Hard like its dumping fuel in overfuel condition you might could get it home IDK thats up to you any smoke and dont do it
this could also be a BAD FICM or Injector Harness try wiggling the injector harness around and see if there is any change
hows the FICM Volts
Guess I shouldnt call a bad Injector just yet