RPM surging at hwy speed

Asked by Bmac2029 Jul 31, 2019 at 09:03 AM about the 2004 Chevrolet Cavalier LS Sedan FWD

Question type: Maintenance & Repair

I have a 2004 cavalier,  it is surging at hwy speeds.  2500 to
3000.  If the cruise is engaged it will cancel cruise.   Any
ideas?

4 Answers
103,205

KenF answered 5 years ago

Bunch of reasons can cause this; speed sensor/VSS, TPS, wear on TC clutch or tranny not locking up in OD, knock sensor, cam sensor, MAF sensor, EGR, PCV... Is check engine light on?

Mark helpful
103,205

KenF answered 5 years ago

That might eliminate some of the sensors and exhaust as a reason, but not tranny/clutch or speed sensors.

Mark helpful

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