Car will revs up and down at 2000 rpm in P or neutral

Car will revs up and down at 2000 rpm in P or neutral 1 Answer

rev up and down in park 6 Answers

When I put it in park after driving it it revs up 2000 psi's and down and up Do you know what causes this?

No speedo,check engine light,revs up and down 2 Answers

When first taking off,car will lightly rev up and down when letting out of the gas. After driving for a few miles check engine light will pop on then about 10 to 15 mins later the speedo starts work...

i have a 04 honda civic i drive everyday went to work this morning no problem.. when i tried leaving work car starts up every time but after 2 seconds if that it dies out... also tried holding down pedal and rpm goes up but still dies out and can hear like putty noise from exhaust fuel pump sounds like its working and i can see from engine it shoots out.... what can this be? 1 Answer

i have a 04 honda civic i drive everyday went to work this morning no problem.. when i tried leaving work car starts up every time but after 2 seconds if that it dies out... also tried holding down ...

Why is my idle running high(about 1500 rpm) and sometimes it goes up and down ? 11 Answers

Is it expensive to fix ? Also, sometimes I have to gun the gas to bring down the idle and than it goes up than down. Thanks.