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Car Forum / Dodge / Dodge Cars / December 2006

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2001 dodge stratus pulsing problem

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chuckatty - 03 Dec 2006 22:38 GMT
Hey all,

Last summer I bought a 2001 dodge stratus 2.4L with 14,000 miles on it.  It
had been sitting in a garage for more than a year at a 'little old lady's'
house.  The little old lady put less than 10,000 miles on it, but parked by
braile.  No mechanical damage tho'.

Before I bought it I drove it around a bit and checked the codes at the
local Autozone type store.  No codes popped up.  While I was driving I
noticed that I could feel a sort of pulse as I drove it at speeds over
40mph.  I figured bad gas at the time, but not much has changed since then.

I've put many a tank o'gas through this thing since then and the problem
still exists.  I don't know if it's mis-firing/engine problem or if there's
a trans problem.   The pulsing is only noticible while at a constant
speed/constant rpm.  The pulsing isn't felt during accelleration or
deceleration.  One problem that has happened twice since I bought the thing
is that while on cruise control, traveling between 65 and 70 and going down
a long hill (mountain really) the transmission droped down a gear.  I dunno
if these two probs are related tho'.  Still no error codes and no change in
severity/frequency of symptoms over past 6 months.  The 'drop down a gear
problem' hasn't occurred since last July.

The question is, where do I start?  Highspeed/lowspeed sensors or somewhere
else.  Or, Am I being too sensitive.

Thanks.

chuck
Elko Tchernev - 04 Dec 2006 09:15 GMT
Don't know about the pulsing, but the down shifting on cruise
control downhill is a feature. The cruise control does engine braking to
keep your speed within 5 mph of the preset.

> Hey all,
>
[quoted text clipped - 21 lines]
> The question is, where do I start?  Highspeed/lowspeed sensors or somewhere
> else.  Or, Am I being too sensitive.

Signature

No, no, you can't e-mail me with the nono.

chuckatty - 05 Dec 2006 01:50 GMT
Really?

I've tried to reproduce it several times on downhill slopes but haven't been
able to.  I'll try again tomorrow on my way to a conference.  Not many steep
hills in northern indiana.

BTW:  I meant input/output speed sensors, not highspeed/lowspeed sensors.  I
dunno why I keep doing that.

chuck

>     Don't know about the pulsing, but the down shifting on cruise control
> downhill is a feature. The cruise control does engine braking to keep your
[quoted text clipped - 26 lines]
>> The question is, where do I start?  Highspeed/lowspeed sensors or
>> somewhere else.  Or, Am I being too sensitive.
 
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