HT4100 4.1, 4.5, 4.9 Discussion, Trouble codes? in Cadillac Engine Discussion; Does anyone know what these trouble codes mean? EO46 IO39 IO52 ao48 NO SIR CODES ECM? This is how they ...
- 03-30-08 03:38 PM #1Cadillac Owners Member
- Automobile(s): Cadillac
- Join Date
- Mar 2008
Does anyone know what these trouble codes mean?
NO SIR CODES
This is how they are displayed on the dash.
This is for a 92 Eldorado with 4.9L
Also what is the best way to change plugs? looks like the front ones are easy but what about rear? maybe from underneath?
- 03-31-08 08:30 PM #2Cadillac Owners Member
- Automobile(s): Cadillac 2000 DTS & 1999 Lexus LS400
- Join Date
- Oct 2006
Re: Trouble codes?
Click on Search and do an Advanced Search.
Put "How can I check for any codes Im throwing" in the titles search and put "RAMAIR57" in for the user name. That post has all of the codes you listed except EO46 defined.
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