Question about 1992 Cadillac DeVille

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E48, F11 and F30codes - 1992 Cadillac DeVille

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Use Google & type--
1992 Cadillac OBD1 Codes
Lots of info their on your cars system & gm codes
OBD1 Codes E48,F11,F30 type that in search engine
google,bing etc

Posted on Jul 26, 2013


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I have a 93 DeVille code read e41 e52 e48 f31 f40 what do it mean

The link below is a good resource to find the meaning of your codes. The E41 code is listed here as P041 or (E041).
Best of luck,


Oct 02, 2016 | Cars & Trucks

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E48 - EGR System Problem 91 cadillac deville

EGR systems are prone to trouble, because it recirculates exhaust gases back into the manifold, the EGR valve gums up with carbon from the exhaust gases, if it is the type you can remove, remove the valve it generally can be cleaned with carb cleaner and replaced.

Jan 28, 2014 | 1992 Cadillac DeVille

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What does an e48 code mean on 1990 cadillac

Below os a description of what code e48 is and basically has to do with the EGR system and your computer doing tests and the tests failing. As far as the other codes I'm not certain to be honest with you. I do know by holding the "OFF" & "LOW" buttons at the same time clears the codes in the BCM and a 7.0 should appear at the end. The .0.7 and the .8.8.8 I am sorry but didn't have any luck with that and really haven't heard of. Wish I could be more help but here is the description on the e48 for you. Hope this helps.


Mar 14, 2012 | 1991 Cadillac DeVille

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What are these codes for 92 cadillac deville ff,f40,f,e,e48,e52,ee,888,70?

Hello williamcole7: My name is Roger and I will help you. The code 888 is a test code. This tests the L e d's of the dash cluster. All segments must light so you can read all numbers. The 70 code means the system is ready and able to function. The ff code is a current BCM code and is happening at the moment. The f 40 code is a BCM history code and means it was a stored problem or something that has happened. The f 40 code is for a air mix door problem. THe BCM would set this if you had an A/C problem. The E 48 code deals with the EGR system fault. I would check for a vacuum leak at the EGR solenoid. The hose is prone to deterioration do to heat from the engine. Code E52 deal with loss of voltage. A dead battery or a disconnected battery cable will always set this code. None of these codes will keep the car from running.The repair schematics are to extensive to send in a reply. Should you need further help ao assistance I will be glad to help. Please rate the answer. Thank You for using Fix Ya. Roger

Mar 24, 2011 | 1992 Cadillac DeVille

1 Answer

Whjat is an e48 code mean

GOOGLE found THIS - EGR valve issue.
Good luck,

Apr 08, 2010 | 1990 Cadillac Deville

1 Answer

I need the fuse diagram for 1994 Chevy Astro Van

the fuel pump relay is located under the hood, check fuse f11 under the hood as well

Nov 02, 2009 | 1994 Chevrolet Astro

1 Answer

1991 cadillac deville f11 and f46 what are those codes

F11 = AC high side temp circuit problem. The F46 indicates low refrigerant charge at one time. Try disconnecting the battery and reconnecting it you might be getting garbage, clean the battery connections..and see what happens. If the codes reappear, you can always go to Autozone who will do an diagnosis for free in the hopes that you purchase the parts from them. I hope this helps and good luck. Please vote and leave a message.

Oct 30, 2009 | 1991 Cadillac DeVille

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93 Cadillac 3 codes E48 E75 and E98 How to fix?

timing should help the idle issue. and the vss probly needs to be replaced.check the egr diaphram its gold and is underneeth the air breather. push up on the bottom of diamphram it should move without alot of efort. if not replace it

Jun 12, 2009 | 1991 Cadillac DeVille

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My code is e52 and f11 what is the problem

E52=memory(history)has been resetmeaning the power to the computer
was disconnected and the driving/engine systems performance history has
been lost.

If they are ONLY displaying as F codes this means that they are HISTORY codes and if they display as FF codes then they are CURRENT codes and what we need to diagnose is ONLY the CURRENT codes.

F11 = AC high side temp circuit problem.

hope this helps good luck

Apr 22, 2009 | 1993 Cadillac DeVille

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