Stumbling 99 LHS

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Stumbling 99 LHS

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Chrysler Forum >> Chrysler Vehicles >> Past Chrysler Models >> 300M, Concorde, LHS, New Yorker >> Stumbling 99 LHS

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Stumbling 99 LHS - 6/27/2008 7:08:32 PM

DaveC8656

Posts: 16
Joined: 11/28/2007
Status: offline

My 99 LHS has an intermittent "stumble", for lack of a better term. Usually on acceleration, not always. I thought I had a bad spark plug, so I changed them. Problem still here. No "check engine" lamp, and no fault codes according to my Innova code reader. It doesn''t do it at take off, but once already moving, speed doesn''t seem to matter. It has done it at 35 and at 55. Any one had this problem, please let me know. Thanks, DaveC, Independence, MO.

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DaveC

Post #: 1

RE: Stumbling 99 LHS - 6/28/2008 11:41:03 AM

Iwant2playNOW

Posts: 26
Joined: 3/10/2008
Status: offline

Possible input speed sensor issue...when this part goes bad the symptoms often resemble a misfire.

(in reply to DaveC8656)

Post #: 2

RE: Stumbling 99 LHS - 7/8/2008 4:27:33 PM

DaveC8656

Posts: 16
Joined: 11/28/2007
Status: offline

Thanks for the info, replaced the input speed sensor and voila!, problem solved.
Thanks a bunch, DaveC

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DaveC

(in reply to Iwant2playNOW)

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RE: Stumbling 99 LHS - 7/27/2008 2:35:37 PM

DaveC8656

Posts: 16
Joined: 11/28/2007
Status: offline

I mis-spoke, the problem still exists. I''m starting to think it may be the throttle position sensor or something of that nature. Still no warning lamp. Seems to happen at one position of the throttle pedal, regardless of speed. I have heard of this problem occurring and not setting a code. Anyone else? Thanks, DaveC8656

One other item, does anyone know if the dash clocks are interchangeable on the various Chrysler models, (Sebring, LHS, 300m, etc.) mine quit and I have seen some nice newer clocks on ebay from newer cars. Thanks again, DaveC8656