Question about 1992 Ford Thunderbird

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Intermediate severe engine vibrations

Engine vibrates severely at start , idle and while running. But, at times just a little and sometimes runs fine. I can start it and it's really bad., I shut it off and start it again and it may run fine or a little vibration . But it doesn't get different while running either. What could that be?

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  • 6 Answers

Have you checked the motor mounts? A bad motor mount will shake rattle and roll.

Posted on Mar 18, 2014

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6ya6ya
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Posted on Jan 02, 2017

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  • 99 Answers

SOURCE: 1999 Ford Expedition 5.4 Liter Engine Noises and Vibrations

sounds like you may have a broken exhaust pipe. it can happen from vibrations over time, or also if the truck is very hot, and you drive through a puddle of water, or wash it, etc. metal expands when it gets hot, and if too much water hits it, it will contract again at a very rapid pace, and sometimes causes cracks this way. id have an exhaust shop look at it to be sure. they probably wont charge you for just a quick check, and the repair shouldnt be too pricey. or another possibility is that you may have a gasket leaking somewhere onthe exhaust system. as for how big a problem it is, it really depends on where it broke at. if its really close to the engine, then dont drive it. you may risk internal engine damage. if its closer to the rear end, then its not too harmful. it will most likely cost you some fuel economy though.

Posted on Aug 04, 2009

  • 245 Answers

SOURCE: severe vibration when idling or in park. Have

may also be coming from the transmission mounts. also check the computer for codes as you may be having an idling problem.

Posted on Jun 12, 2009

ourhowse
  • 2007 Answers

SOURCE: severe vibration

Replace balancer. You don't notice them until you rev it up.

Posted on Aug 23, 2009

  • 1 Answer

SOURCE: severe vibration and knocking sound!

My sons explorer had a similar problem. beleive it ior not, it was the shakles, they were severely wroughted, I changed them and the vibration is gone.

Take a look, it may help

Ken

Posted on Jun 07, 2010

90Ranger
  • 38 Answers

SOURCE: sputtering-missing-vibrating-knocking-backfire-bucking

I'm having the same problem with my 90 2.3L Ranger. I replaced the EGR Valve back in August and the truck ran fine (but the gas mileage was bad) until late December . I knew it needed an O2 Sensor back in August but didn't replace it until last Saturday along with the Idle Air Control Valve, Plugs and Wires. The truck ran fine for a couple minutes then started running like a VW bug! My code reader is now throwing out an EGR failure code, so I guess i'll take the 4 month EGR back and get a new one, and see what that does!_549.jpg

Posted on Jan 25, 2011

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