Replaced O2 sensor now idle too high
5

Asked by Drew Aug 08, 2022 at 07:48 PM about the 2006 Dodge Caravan SE FWD

Question type: Maintenance & Repair

I replaced a bad oxygen sensor and All smart plugs on my 2006
dodge grand caravan now the idle is too high.

3 Answers
157,615

James answered 2 years ago

Check for a disconnected or cracked vacuum hose. Usually a high idle is caused by a vacuum leak. One of the vacuum hoses may have gotten bumped or moved when you were replacing the spark plugs and you just didn't notice it. The hoses become stiff and brittle over time and on a 16 year old vehicle it's a real possibility. Hope that helps! Jim

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310,255

Gene answered 2 years ago

Recheck your work, as stated above you may have cracked a vacuum line.

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