• Auto Parts and Repairs
  • Fuel and Engines
  • Check Engine Light
  • Car Stalling Problems

What would cause the engine to rock while idling and when it gets to between 55 and 65 MPH?

Top Answer
User Avatar
Wiki User
Answered 2007-10-10 18:40:44

motor mount? I suspect you have a broken motor mount.

An ignition miss would occure at those times. Especially at 50-55 mph, I would suspect secondary ignition components... Plugs, wires, etc...

User Avatar

Your Answer

Still have questions?

Related Questions

What can cause shaky steering wheel and front end while idling?

Engine miss.

What would cause your 1994 351 engine to increase or decrease rpms intermittently while idling and driving?

air leek

What can be the cause while driving and when the car comes to a stop the engine revs for a few seconds and goes back to normal idling mode its a Opel Corsa classic 1400.?

It is the idling sensor on top of the intake

Would a bad fuel filter cause your engine to stall while driving or idling?

Yupp Clogged fuel filter. Hole in the gas line.

Why does my Toyota truck with 22re engine surge while idling?

Is the AC turned on?

What causes my jeep to stall while idling?

There are several things that can cause your Jeep to stall while idling. The timing may be off or your fuel filter may be clogged.

Can too much oil cause the car to sputter while idling?

Possibly. The main thing it can cause is severe engine wear. Too much oil is just as bad as too little.

What does it mean when the temperature gauge rises while idling then the fan comes on?

Engine temperature rising when the engine is idling is normal. The car is sitting still and no air is entering the engine compartment. This will cause the engine temperature to rise. The cooling fans then come on and the engine returns to a normal temperature. Unless the cooling fans do not bring the temperature down, you have no problems and this is totally normal.

Why is engine revving so high on a silverado?

An engine revving to high RPMs could be a symptom of many conditions. The potential cause?æalso depends on whether this happens?æwhile idling or while driving.

Why does your 1988 Chevrolet Camaro die when you give it gas while idling?

you are flooding the engine

Will spark plug gap causes a RPM gauge to go up and down while idling?

The spark plug gap can cause the RPMs to fluctuate, while idling. The more probable cause of the fluctuating RPMs is a bad camshaft.

Why does your car surge while idling?

There can be many reasons why a car surges while idling. Some of these reasons are the computer could be dying, or the fuel injector are giving the engine too much gas.

Why would a car turn off while idling?

There are several things that could cause this. The first thing to investigate, though, is the idle speed your engine is set at. As with any engine, if the idle is set too low, the engine will not continue running.

Why does Mercedes-Benz 2004 e320 stall while idling at traffic light or waiting on line?

The most likely cause is a faulty engine crankshaft position sensor.

Do I check transmission oil level with engine idling or not on my Camry 2002?

Trans fluid is always checked with car level and idling while warmed up.

Will a catalytic converter cause car to shut off while idling?

No, very doubtful.

What would cause the 92 Ford Aerostar to stall while idling?

The most likely cause of a 1992 Ford Aerostar stalling while idling is bad spark plugs. The plugs should be changed and the timing checked to resolve the problem.

How can you tell if your PCV valve is bad?

A bad PCV can cause the engine to be pressurized internally, thus forcing oil out of important seals. This can cause a white/blue smoke from your tailpipe when the oil is then burned. A clogged PCV will also cause the engine to loop while idling, and possibly hesitate under acceleration.

Can a bad camshaft sensor cause a 1998 Chevrolet Tahoe to die while idling?


At what RPMs should your Chevy silverado 4.3 L engine idle at?

It should be idling at approximately 625 rpm while the engine is warm.

Why does 99 Lexus GS300 motor shake while idling and eventually turns off?

The "check engine" light should be illuminated. Start with investigating the code(s). They may lead you to the cause.

What does it mean when your car growls while idling?

A) It needs to be serviced. B) An animal in your trunk is uneasy when the engine idles.

Why does a Lincoln ls die at stop lights?

The most common cause for an engine to die out, while idling, is the idle speed is set to low. You can adjust the idle speed with the fuel injector vital screw.

What would cause a 1997 jeep wrangler 2.5 engine to whine while idling I replaced the serpentine belt alternator and water pump?

Open the hood while the vehicle in running. Rev it up from the engine bay manually and listen to the location of the noise. The noise can be from the engine oil system. Have a repair expert check the car if necessary.

What would cause 1995 Monte Carlo 3.4L DOHC to accelerate while idling?

The 1995 Monte Carlo could have a vacuum leak. An engine vacuum leak can make the car idle up and accelerate.