1992 Toyota Camry Extreme Vibration

Tiny
AUTUMN_AUTUMN
  • MEMBER
  • 1992 TOYOTA CAMRY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
Car starts with no problem and than at random intervals the engine starts shaking violently. I step off the gas the shaking stops and the car drives normally until it starts up again. It could be 3 minutes it could be 15 minutes but it does come back. The issue can happen with a cold engine or hot. Taking my foot off the gas alleviates the issue.
The timing belt was changed at 100k and new plugs.
It almost feels like a badly timed engine. I hear no misfires.

In neutral or park engine runs smoothly. I can throttle up and engine responds. While driving when engine began to vibrate I shifted into neutral and vibration continued. I proceeded to gun engine and the rpm's climbed smoothly up and down. The vibration continued regardless of what the engine was doing even though it feels like the engine is at fault.

I drove the car yesterday to and from work a total of 40 miles without incident. Next day I go to work and the shaking started all over again.

No check engine light
Wednesday, September 15th, 2010 AT 9:35 AM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi autumn_autumn,

Symptoms indicates it could be caused by the EGR system.

Is the Check Engine Light indicating?
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Thursday, September 16th, 2010 AT 1:46 PM
Tiny
AUTUMN_AUTUMN
  • MEMBER
  • 2 POSTS
In neutral or park engine runs smoothly. I can throttle up and engine responds. While driving when engine began to vibrate I shifted into neutral and vibration continued. I proceeded to gun engine and the rpm's climbed smoothly up and down. The vibration continued regardless of what the engine was doing even though it feels like the engine is at fault.

I drove the car yesterday to and from work a total of 40 miles without incident. Next day I go to work and the shaking started all over again.

No check engine light
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Friday, September 17th, 2010 AT 10:26 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi autumn_autumn,

That does not seem to be from th engine.

Vibration should be drivetrain related. If it occurs at a specific speed range, then it coyuld be the wheels that are out of balance. Rebalancing the wheels should solve the problem.
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Saturday, September 18th, 2010 AT 8:26 AM

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