cbrteam Posted March 19, 2011 Report Share Posted March 19, 2011 I am new to the site. I have a 1995 Deville that surges and will shut off while driving. When the service engine soon light comes on , it runs great. When it shuts off, it will surge and stall. Any sugestions. My Grandfather gave me the Caddy and it is in 100% excellent shape with 80,000 miles original miles. Link to comment Share on other sites More sharing options...
heitzman Posted March 19, 2011 Report Share Posted March 19, 2011 What are the codes when the service engine light is on? Link to comment Share on other sites More sharing options...
Ranger Posted March 20, 2011 Report Share Posted March 20, 2011 Also check the fuel pressure and clean the TB. While you are at it, rod out the EGR tubes down in the TB if they are carboned closed. Link to comment Share on other sites More sharing options...
cbrteam Posted March 20, 2011 Author Report Share Posted March 20, 2011 What are the codes when the service engine light is on? I was about to go to AutoZone and have them checked but I tried Heitzman's suggestion. I think this was the solution. Thanks for replying Ranger. Link to comment Share on other sites More sharing options...
cbrteam Posted March 20, 2011 Author Report Share Posted March 20, 2011 Also check the fuel pressure and clean the TB. While you are at it, rod out the EGR tubes down in the TB if they are carboned closed. Thanks for the reply Heitzman. I took carb cleaner and a toothbrush and cleaned the TB. It is much better. I will tackle the tubes today and see if it gets it 100%. Link to comment Share on other sites More sharing options...
cadillacjeff7777 Posted March 20, 2011 Report Share Posted March 20, 2011 You can get the codes out of the D.I.C. as well. 2008 DTS Link to comment Share on other sites More sharing options...
heitzman Posted March 20, 2011 Report Share Posted March 20, 2011 Thats great, Good luck with your caddy in the future. Link to comment Share on other sites More sharing options...
cbrteam Posted March 20, 2011 Author Report Share Posted March 20, 2011 You can get the codes out of the D.I.C. as well. Jeff, I am new to Caddys. Please explain the D.I.C. Link to comment Share on other sites More sharing options...
cbrteam Posted March 20, 2011 Author Report Share Posted March 20, 2011 You can get the codes out of the D.I.C. as well. Jeff. I found the process by looking around the site. So, this is what I've got. po12 history po41 history current po51 history no ipc codes no acp codes no sir codes no tcs codes pcm? and it stops there holding the pcm? until i shut the car off. Link to comment Share on other sites More sharing options...
cbrteam Posted March 20, 2011 Author Report Share Posted March 20, 2011 What are the codes when the service engine light is on? I found the process by looking around the site. So, this is what I've got. po12 history po41 history current po51 history no ipc codes no acp codes no sir codes no tcs codes pcm? and it stops there holding the pcm? until i shut the car off. Link to comment Share on other sites More sharing options...
cbrteam Posted March 21, 2011 Author Report Share Posted March 21, 2011 All, I have checked the code and removed the dist. cap and rotor buuton to get to the module. The cap and rotor are absolutely terrible. I hope when I change all three this will help. Will I need to reset the codes and if so, how? Link to comment Share on other sites More sharing options...
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