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1991 Eldorado ETC - Transaxle or Fuel Injectors?


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  • 1 month later...

On 9/7/2019 at 4:04 PM, 4.9FWDfan said:

Whoa. I never shut down anything. You're hearing something other than what I said (or typed). I answered questions that were asked.. I'm not new to forums or fixing cars. Please do not make assumptions about me.

Moving on ...

It's the guy's summer car - so it sits out winters. He disconnects the battery when in storage and he seemed genuinely surprised when it would not start. I found out later the battery is eight years old so it may have just reached it's end at that particular moment. He jump started it, not me - from a charger. I do not know if the battery was completely dead.  I did not put a meter to it. It did not have enough juice to crank the engine at all. Solenoid click - that's it. I do not know exactly how long the car has been sitting. Yes I checked codes immediately after we got it running.

Sorry about my knee jerk here.  It was becoming frustrating to dig into problems provide information and feedback and the member never came back.  Not what you did here.  I was about to write about my frustration when your post came up.  Many times I drive to a local library and use their extensive databases to print out schematics and diagnostic info post it and nothing after considerable effort.  So I was a little on edge when we were batting potential symptoms back and forth.  

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

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On 9/10/2019 at 3:42 PM, 4.9FWDfan said:

 

I am trying! 🏁

What kind of mileage is on your ride now?

How long ago did you pick it up (just curious).

He's asking 4K (Canadian) so around 3 grand US. Car is super clean except for one rust spot up under the door molding on the driver's side.

Underside is darn near mint which is saying something when you're on the rust belt.

I would have bought it right away in all honesty if it didn't give me the weird vibe on the test drive. Really sweet car. Lots of character.

What was the result, did you find the problem?

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

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10 hours ago, BodybyFisher said:

What was the result, did you find the problem?

Well, not knowing enough about these cars to make an educated decision ... I bought an OEM Service Manual (yep - that's the kind of guy I am) and studied it. So I would know what I'd be in for if I needed to fix stuff.

Asked if I could go back and drive the car again. It was running even rougher this time. 10 minutes in I got the check engine light to come on. Also pretty sure the torque converter was not locking up (apply brake at cruising speed - watch rpm) - other than that the trans seemed to be shifting fine and getting all gears.

Pulled codes and got a current E046 "left to right bank fuelling difference". Makes me think (from what I have learned) that this could very well be fuel injectors. Long story short ... I think it's the engine and not the trans causing the rough running.

The other thing I found (get this) was a black nylon fuel line (under hood, driver side, next to shock tower) just laying there - connected to nothing. End actually looked like it had been broken off! No gas coming out of it so I have no clue what the hell that was all about.

As I told buddy what I was found he said he would not go below $3500 ... I said "good luck with that" and went on my way.

Shame because it's a beautiful car - and EVERY darn think works on it. Including the Electronic suspension.

Who knows, if he still has it after the winter he may get real on his asking price OR pay someone to get it running right so he can actually sell it.

 

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