99 engine rock when shift into gear

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99 engine rock when shift into gear

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99 engine rock when shift into gear - 8/5/2005 9:19:01 PM

brocklanders

Posts: 1
Joined: 8/4/2005
Status: offline

I have a 99 Galant. Last night I got in the car and put it in reverse and the engine shook violently back and forth. It caused the entire car to "buck." The same happens to a lesser extent when the car is shifted into drive. There is a small increase in RPM when the car is shifted into gear (maybe a 150-200 RPM shift, I'm not sure if that is normal but its something I noticed). The car seems sluggish and it hesitates when accelerating from a complete stop.

This morning the check engine light came on. I had the sensors read and they came up with:

P0705-Transmission Range Sensor

P0715-Turbine Speed Sensor

P0720-Output Speed Sensor

The car is well maintained and I'm using the recommended transmission fuel type. Up until last night the car ran and idled beautifully and the transmission shifted with no noticeable problems.
Any ideas? Any help would be much appreciated.

Post #: 1

RE: 99 engine rock when shift into gear - 4/12/2008 6:19:29 PM

Chris760

Posts: 2
Joined: 4/12/2008
Status: offline

Does anyone know what the problem is when this occurs? I am having the same problem.

(in reply to brocklanders)

Post #: 2

RE: 99 engine rock when shift into gear - 4/12/2008 6:41:41 PM

Sebba

Posts: 13345
Joined: 2/20/2006
From: San Antonio, TX
Status: online

Somewhat normal. Maybe an engine mount, but I doubt it.

You have those same check engine codes?

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(in reply to Chris760)

Post #: 3

RE: 99 engine rock when shift into gear - 4/14/2008 6:57:04 AM

blk n tan

Posts: 126
Joined: 2/19/2008
Status: offline

it defineatly sounds like an engine mount. but that wouldnt explain the cel codes. unless its a transmission mount thats REALLY broken causing the trans to shift and throw these codes

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