ENGINE IDLE ERRATIC

When Driving At About 40 Mph Or Less The Rpm's Oscillates Up And Down About 500 Rpm. Is This A Bad Sensor On The Engine Or Does The Speed...

1999 Volvo V70 Just Put A Junk Yard Motor In This- 5 Cyl. Front Oxygen Sensor Stays At.5 Volts At Idle, Goes Up And Down...

Engine Performance Problem 2001 Ford Explorer 6 Cyl Four Wheel Drive Automatic 110 00 Miles Hi Wanted To Know Why At Idle. Ildes Goes...

At First It Just Shut Off At Stop Signs And Stop Lights Would Not Idle. Vital Fluctuated Up And Down. Then One Day It Would Crank But Not...

I Have The Car Listed Above Gl. 3.0 Liter Engine V6. My Problem Started About A Year Ago Intermittently And Has Gotten Worse. First Start...

I Cannot Disconnect Any Of The Relays In The Glove Box. Help. Clicking Noise. Rough Idle Up And Down. Engine Light Flashing. Sputtering...

Would A Failing Tdc Sensor Cause My Car To Idle Up And Down Between 1,000 Rpm's And 2,500 Rpm's While In Park?

When Turn Car On Idel Very Low. When I Put In Gear Car Turns Off. When I Drive And Come To A Stop And Put Car In Park Idle Jumps Up And...

2003 Dodge Ram 1500, 90,000 Miles, 4.7l Engine Truck When Idlling, Rpm's Goes Up And Down. And When Slowing Down, Truck Has Started...

Engine Won't Start Unless I Put A Little Gas Through Air Intake Then It Will Run But The Idle Speed Goes Up And Down. And If You Throtle The...