Sometimes in Park or idling at a stoplight my car revs up and then down without my touching the gas, what's going on?
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1999 Nissan Altima Question: In park or idle it sometimes revs and then idles low
Answer #1lawrenceg August 11, 2009, 19:11Master
There are several sensors that can cause this, or a vacuum leak, or an issue with the idle controls. Is the check engine light on?
ReplyVisitor, February 06, 2011, 08:34
ReplyVisitor, March 28, 2011, 15:11
All the time in Park or idling at a stoplight my car revs up and then down without my touching the gas, what's going on? And the check engine light is on
Answer #2Visitor, March 28, 2011, 15:17
Get the diagnostic codes in the engine computer checked and diagnosed.