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random shudder

 
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  #1 (permalink)  
Old 18 Dec 2012, 04:22 pm
edb edb is offline
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Default random shudder

My PT 2003 Limited with 47K miles has an interesting shudder.

It happened 3 times; the first 2 were right after oil change, one in 2010, one 2011. I did the oil change myself every 5K miles, Mobile 1 5W30, K&N filter. When I started it up, it shuddered badly, the whole body was shaking. I turned it off, and started it back up again, the shudder was gone.

The 3rd occurrence was yesterday evening when I left work for home. It started fine, but when I put it into Reverse, it shuddered; I put it in Neutral, the shudder was not as intensive, but still there. I put it back in Park and turned it off. When I started it back up again, as expected, the shudder was gone. The PT then took me home on a smooth ride as if nothing happened.

Does anybody here have similar experiences?
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Old 18 Dec 2012, 04:46 pm
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Default Re: random shudder

haven't had any similar instances. have you done the key dance to see if any codes were stored?
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Old 18 Dec 2012, 05:32 pm
edb edb is offline
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Default Re: random shudder

Quote:
Originally Posted by soyomb View Post
haven't had any similar instances. have you done the key dance to see if any codes were stored?
It says "done".

Other than the 3 separate cases, the PT is running well. I am not sure if I should be concerned.
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Old 18 Dec 2012, 06:10 pm
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Default Re: random shudder

i'd be concerned. but then again, i'm pretty anal when it comes to my vehicles.

something has to be causing this.
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Old 18 Dec 2012, 06:57 pm
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Default Re: random shudder

Just guessing but sounds like an intermittent loss of voltage or fuel supply. You have a schreoder valve to test the fuel pressure, might want to test it and check all the cables on the battery fro any corrosion that might be built up.

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