Question about 1997 Jeep Grand Cherokee

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When in idle at a stop light the car shakes uncontrollably. during the shaking the rmps go down to 0 and the battery meter moves to the left of 14 a little ( it normally sits on ~14)

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The 5.2 engine has an intake manifold that has a bottom cover that the gasket blows out. It's a lot of doing but any person used to unbolting and rebolting on any car engine will have no troble doing it.When in idle at a stop light the car shakes - 934506454.jpgThis gasket costs 10.91 and takes 4.2 hours for an experenced mechanic to do it. I can do this and two 4 wheel brake jobs in the same day and an experienced mechanic is expected to right this much work done. Other parts needs can be oil and filter anti freeze and flush. injector seals and any thing else that the mechanic can break and drop and a therostate. and on and on.

Posted on Sep 17, 2010

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2 Answers

2000 Ford Mustang V6 shaking uncontrollably. Most likely culprits, transmission or power steering, but could be something else. Please help!


more detail, please. Does it shake at idle in neutral? If yes, not likely transmission.
Does it shake while sitting still? Only while driving? If while moving, check wheels/tires/brakes.

Dec 10, 2015 | Ford Cars & Trucks

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Shakes a lot during idle. I have already replaced the EGR valve, AC clutch, serpentine belt, belt tensioner and three motor mounts. It stops shaking and runs well once you press on the gas. Does not shake...


Try taking it to Autozone or Oreillys for a free scan. At the very least, you want to know what the idle rpm is set at.

It sounds like you may have a leaking Intake manifold gasket. You would test for this with a water mist from a spray bottle. While the engine is running spray around the intake gasket and any Vacuum lines you see. The RPM will change when you find the leak.

I see you want to slow down the idle. If the idle speeded up on its own, that is a sign of an Intake leak. There is a part called a throttle position sensor,TPS, which is really your accelerator. It has a slight RPM adjustment slot on one side of the 2 mounting screws. Both screws must be loosened to move the part.

I am not understanding why, if the engine runs better when you press on the gas, would you want to slow the idle down (which is like not pressing on the gas)?

Anyway, I hope my solutons are very helpful to you and that you can fix your car. Maybe the scan at Autozone will help you.

Dec 13, 2010 | 1999 Ford Escort

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I have a 1999 Audi A4 2.8L - Last month it was stalling at low RPM after initial start idle kicked down. I put in fuel injector cleaner and it fixed the problem. Yesterday it returned and is shaking before...


Crank shaft sensor or air mass meter, is this a v6? I had the 2,6 a4 same fault same miles funny enough. changed the air mass meter is was ok after that. thing is they have so many sensors, you need to get it on a diagnostic machine to be sure.

Jan 13, 2010 | 1999 Audi A4

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2004 audi a4 1.8 t cabriolet..car begins to shake around 1500 rmps..the longer the car has been running the more vibration i notice especially when accelerating and turning..when i left off the gas the...


Are you getting any error codes? Is the check engine light on and/or blinking? The vibrating and other symptoms you described are common from shorted ignition coils. It also sounds like there's a separate issue with power steering - check your fluids, pump, and hoses.

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I have a 1994 with vortec 4.3 that shakes sometimes


Shakes how? While stopping? Or solely while idle, Engine light on?

If if shakes while stopping you need to check you're wheel hubs and or Suspension ,

Shakes at a light, You may have a bad fuel Injector, Check you're psi in you're fuel pump, A TPS would cause low idle or sometimes high idle, With low idle and a bad motor mount it would shake,

I know theres a few things I'm missing but,.. I have a major Headache atm so I'll get back to you with some more, when i can think better. :)

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Nissan Sentra "Service Engine Soon" and uncontrolable shaking.


I had the same problem. It was the intake gasket, very common in this model. A $12.00 gasket - Nissan wanted $1000.00 to install it. I got it done for $327.00 - engine light still remains on but car drives just fine.

Aug 26, 2009 | 2000 Nissan Sentra

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1997 Mitsubishi Galant Died


Sounds like the EGR valve is bad and is stuck in the open position.Just replace that and you should also check the catalytic converter.

May 01, 2009 | 1997 Mitsubishi Galant

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bad intake not enough air to the cylinders, spark plugs could be a prob, or ur car is running to lean...i hate a similar prob with it shakeing when idleing but i just tap the gas and it stops

Jan 10, 2009 | 2002 Ford Explorer

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