QuestionQUESTION: My 93 Deville is acting up. It's running really low and stalling frequently. the error codes from the dash were: e41, f46, f47, and ff47. any help would be greatly appreciated. I would like to try and fix this myself. thanks.
ANSWER: First you need to CLEAR the codes from the computer and see which ones come back.
If FF47 comes back it means that you are low on freon in the AC system. Once you fix the freon leak and recharge the system, CLEAR the codes again.
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QUESTION: I don't know how to clear the codes. And what is e41. thanks in advance.
Answere41 = INTERMITTENT fault in the cam sensor signal.
To clear the codes:
1. Re-enter diagnostics and when you see .7.0
2. Simultaneously push and hold the OFF and HI buttons until E.0.0 appears and release the buttons.
3. Simultaneously push and hold the OFF and LO buttons until F.0.0 appears and release the buttons.
4. turn OFF ignition. Drive car and recheck for codes.
