Mikemt68 Posted July 11, 2017 Report Share Posted July 11, 2017 Hey guys, first post but I follow this site religiously and everyone is great and it has helped me a lot during the years. I have a problem I can't figure out, I changed the starter in my 96 Eldorado but now I have everything back together it starts fine but the engine jumps during idle and when it's put in gear it spits and sputters and jumps, can't figure out why it's doing that it has never done it before just happened after I did the starter replacement. Any ideas will be appreciated thanks all Link to comment Share on other sites More sharing options...
barczy01 Posted July 11, 2017 Report Share Posted July 11, 2017 check your plug wires and the connection of the plug wires on the coil packs. Link to comment Share on other sites More sharing options...
BodybyFisher Posted July 11, 2017 Report Share Posted July 11, 2017 Check ignition wire order, make sure the wires are seated on the plugs and not on their sides Did you replace the intake manifold seals and what was their condition? What codes are you getting? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 11, 2017 Author Report Share Posted July 11, 2017 OK I will check the ignition order and plug seating, I did change the intake seals. The old ones looked great, no cracks in rubber or anywhere on the plastic, thanks for the reply back guys I am going now to check Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 11, 2017 Author Report Share Posted July 11, 2017 Oh yeah not throwing any codes Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 11, 2017 Author Report Share Posted July 11, 2017 You guys are the best, although I feel like a bone head now I had the 6 and 8 wire crossed, mist have got moved around when I took intake off. Been wracking my brain all night, @barczy01 thank you and @bodybyfisher, you have helped me in so many different issues by reading your posts in the past can't thank you enough! Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 11, 2017 Author Report Share Posted July 11, 2017 OK 1 more question I noticed that I have a wire with a blue connector in the very back left of the engine compartment that I didn't disconnect and can't find anywhere it would connect to any idea if what it is? Link to comment Share on other sites More sharing options...
OldCadTech Posted July 11, 2017 Report Share Posted July 11, 2017 Is it back left when you are facing the grille looking at the engine or when you are sitting in the drivers seat. Vehicle component locations are referenced from the drivers position. A pic would be nice too THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 11, 2017 Author Report Share Posted July 11, 2017 Sorry it is on the passenger side, it won't let me upload a pic it says file is to big Link to comment Share on other sites More sharing options...
OldCadTech Posted July 11, 2017 Report Share Posted July 11, 2017 I think it is the fuel pump prime connector BUT I cant be certain. If that is it, it's there mainly for the assembly plant people but I have used them before. It was usually behind the receiver/dryer close to the firewall. I think the older ones with the 4.9 had the connector over the rear valve cover. THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 12, 2017 Author Report Share Posted July 12, 2017 Ok, thank you so much for the reply Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 12, 2017 Author Report Share Posted July 12, 2017 That is where it is at Link to comment Share on other sites More sharing options...
rockfangd Posted July 12, 2017 Report Share Posted July 12, 2017 Glad you got it running again. Usually that primer wire is Red. 1 single wire with a plug on the end. It is used to direct supply voltage to the pump ie prime GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 12, 2017 Author Report Share Posted July 12, 2017 Thanks @rockfangd I was worried it was something bigger. I have put a lot into the Eldorado in the past month she is running good now. Thank you also @OldCadTech Link to comment Share on other sites More sharing options...
BodybyFisher Posted July 12, 2017 Report Share Posted July 12, 2017 11 hours ago, Mikemt68 said: Thanks @rockfangd I was worried it was something bigger. I have put a lot into the Eldorado in the past month she is running good now. Thank you also @OldCadTech Email the photo to me if you want and Ill post it here for you, I PMd my email address. Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 12, 2017 Author Report Share Posted July 12, 2017 OK i have to get on my regular computer when I get off work @BodybyFisher thanks Link to comment Share on other sites More sharing options...
rockfangd Posted July 13, 2017 Report Share Posted July 13, 2017 If it is running good and no light is on I would drive it and enjoy it. Happy Motoring GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
BodybyFisher Posted July 14, 2017 Report Share Posted July 14, 2017 Ok here you go Mike @Mikemt68 Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
KHE Posted July 14, 2017 Report Share Posted July 14, 2017 Wouldn't the connector plug into the sensor under your thumb in the photo above? Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 14, 2017 Author Report Share Posted July 14, 2017 I just double checked and there is no where for that plug to go in that genreal area. Link to comment Share on other sites More sharing options...
OldCadTech Posted July 14, 2017 Report Share Posted July 14, 2017 Look at the photo, it connects to the A/C switch under your thumb in the photo... Like KHE said in his post. It should be displaying "A/C compressor Off" THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 14, 2017 Author Report Share Posted July 14, 2017 OK will go out again, I did get that message once when I first got the car about a year ago but not since then, ac has never worked, person I got it from was a mess and did things to to which he had no idea what he was doing. I have been going through and fixing things one by one, the car is in great shape body wise and only has 140000 on it I got it for 500 cause it didn't run now I got her going good in large part thanks to all of you guys! I have an oil leak and the ac to go now Link to comment Share on other sites More sharing options...
Mikemt68 Posted July 14, 2017 Author Report Share Posted July 14, 2017 OK @OldCadTech got it plugged in thank you and thank you @KHE, didn't know that was a sensor. Is there anything I should be concerned with that I haven't got the ac compressor off message for a long time? I know there is no r134a in it because one of the aluminum ac lines were in the trunk when I got it I have put it back on. Link to comment Share on other sites More sharing options...
OldCadTech Posted July 14, 2017 Report Share Posted July 14, 2017 The AC system being completely open for who knows how long is not good. The receiver/dryer needs to be replaced and the system flushed. The orifice tube should be inspected for metal and "debris". At this point I wouldn't trust the AC compressor any farther than I could throw it. I would replace it instead of gambling on it. My 2 cents worth THERE IS ALWAYS ENOUGH TIME TO DO THE JOB RIGHT - THERE IS NEVER ENOUGH TIME TO DO THE JOB AGAIN !!! Link to comment Share on other sites More sharing options...
BodybyFisher Posted July 14, 2017 Report Share Posted July 14, 2017 double post, sorry Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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