ENGINE REVS UP

Over The Last Couple Weeks, On And Off, If I'm Driving Between 20-40mph, The Rpms Will Jump From 2000 To 1500 To 1800 To 1200 Back Up To...

I Have Had My Car For About Three Years And Once In Awhile When I Start It, The Rpm's Fly Up Between 1,500-2,000 And It Surges When I...

My Honda Has Been Jumping Back And Forth From 1,000 To 1,500 Rpms. I Have Tried Replacing The Full Exhaust System, Changing The 02 Censor...

Engine Mechanical Problem 1999 Volvo C70 Front Wheel Drive Automatic 124000 Miles My Engine Is A 5-cylinder Turbo Charged. When...

Hi! We Recently Bought A 2012 Hyundai Tucson That Was A Lease Return. I Noticed That, After Driving For Several Miles, And Usually...

Engine Mechanical Problem 2006 Chrysler Sebring 4 Cyl 91340 Miles Car Is Revving With The Rpm And Spedometer Gauges Moving When Car...

In Park When Started There Is A Revving Sound For A Few Seconds. Also, When I Am Stopped At A Light I Hear The Same Thing. I Am Just...

The Vehicle's Engine Is Working Very Fine But Sometimes It Goes Into Limp Mode, At This Point The Engine Will Not Rev Even Though The...

I Just Replaced The Air Intake Manifold Coupling And Gaskets. After Putting Everything Back Together And Cleaning Well. Now When I Stay The...

My Truck Hesistates At 1700 Rpms To 2200 Rpms. I Used To Have Codes Po171 And Po174. But Fixed Them By Replacing The Tps. Also In The...