2005 Cadillac Deville P 0171 P 0174

2005 Cadillac Deville P 0171 P 0174. When I unplug the MAF sensor the idle holds steady but higher than normal. What have you tried so far?

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I took it to the dealer and they weren't sure what it was but that it might be. Should I clean or replace the MAF sensor or is something else. Mechanic's Assistant: Are you fixing your DeVille yourself?

When these codes are set together, there are a few different things that can cause this issue.

Mechanic's Assistant: Are you fixing your DeVille yourself?

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For the past week or two I have been having problems with the way my car has been driving. Should I clean or replace the MAF sensor or is something else. When I unplug the MAF sensor the idle holds steady but higher than normal.