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Next: 01' odyssey A/C damper noise
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External
Since: Sep 21, 2005
Posts: 32
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(Msg. 1) Posted: Sun Jan 20, 2008 6:07 pm
Post subject: 91 Accord - speedo comes & goes, flashing S, check engine light
Archived from groups: alt>autos>honda, others (more info?)
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I have a 91 Honda Accord. This is the latest in the car's lifelong ambition
to have everything go wrong at least once.
As I was driving (highway speeds) the speedometer acted up - it went a
little higher (maybe), fluctuated, went to zero, then came back. Well,
another thing to look into, I thought. We stopped and ate.
Then, coming back home, it started doing it again. At the same time, the S
light started blinking. Then the speedometer seemed to correct, but the S
light kept flashing. As it flashed, the engine's power was diminishing. Then
the check engine light came on, and the power came back (like a kick in the
pants). The S light kept flashing, and we made it the short distance back to
home.
Doing a little research made it seem like the problem was the vehicle speed
sensor. When I got the codes, though:
Check Engine - 43
S (TCU) - 4
That doesn't seem to make sense. Some websites show 43 as a fuel delivery
problem??
BTW, I don't know if it has any bearing, but the cars battery went low a
couple of days ago and we had a friend jump it (I wasn't there). The battery
seemed to go dead for no reason, although my wife thinks she might have
gotten the seat belt buckle jammed in the door.
Thanks for any insight,
R Flowers |
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External
Since: Jan 01, 2004
Posts: 38
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(Msg. 2) Posted: Mon Jan 21, 2008 2:46 am
Post subject: Re: 91 Accord - speedo comes & goes, flashing S, check engine light [Login to view extended thread Info.]
Archived from groups: alt>autos>honda (more info?)
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R Flowers wrote:
> As I was driving (highway speeds) the speedometer acted up - it went a
> little higher (maybe), fluctuated, went to zero, then came back.
The S indicator will keep flashing until you turn off the engine. It will
not reappear if the fault has been cleared since it was first set.
> ...the cars battery went
> low a couple of days ago and we had a friend jump it (I wasn't
> there). The battery seemed to go dead for no reason, although my wife
> thinks she might have gotten the seat belt buckle jammed in the door.
The whole story has the aroma of an electrical problem. A skittish power
supply could manifest itself by throwing some codes from the engine or
transmission computers.
I'll bet you have an intermittent electrical connection somewhere. When was
the last time you checked and cleaned the battery terminals? Perhaps you
have a loose ground connection somewhere. When you drive at night, do the
headlights dim? Does the horn work?
Does the charging circuit work?
Has the problem reappeared since that fateful drive?
--
Chuck |
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External
Since: Sep 21, 2005
Posts: 32
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(Msg. 3) Posted: Mon Jan 21, 2008 2:46 am
Post subject: Re: 91 Accord - speedo comes & goes, flashing S, check engine light [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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"Charles" wrote in message
> The whole story has the aroma of an electrical problem. A skittish power
> supply could manifest itself by throwing some codes from the engine or
> transmission computers.
>
> I'll bet you have an intermittent electrical connection somewhere. When
> was the last time you checked and cleaned the battery terminals? Perhaps
> you have a loose ground connection somewhere. When you drive at night, do
> the headlights dim? Does the horn work?
>
> Does the charging circuit work?
>
> Has the problem reappeared since that fateful drive?
>
This just happened today. It is my wife's car, and she won't drive it unless
I can convince here the problem is gone for good.
The bad connection theory intrigues me. My garage has some bags & buckets of
bird seed. Mice have gotten in. Just the other day I noticed some empty
sunflower seed jackets on my battery (the other car).
It could be as simple as that, although those things can be hard to track
down.
Thanks,
R Flowers >> Stay informed about: 91 Accord - speedo comes & goes, flashing S, check engine .. |
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External
Since: Jan 01, 2004
Posts: 38
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(Msg. 4) Posted: Mon Jan 21, 2008 7:10 am
Post subject: Re: 91 Accord - speedo comes & goes, flashing S, check engine light [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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R Flowers wrote:
> It could be as simple as that, although those things can be hard to
> track down.
It might take some scientific investigation and the careful recording of
evidence. Get a schematic of the car's electrical system. Determine what
circuits are in common with the failed items. The more simultaneous
failures, the closer to the battery you get. That's why I mentioned the
lights and the horn.
Stress the electrical system by putting on additional load. Rear window
defogger on, blower on. Don't rev the engine. If everything's working adding
load shouldn't dim the headlights. You might have a high resistance
connection somewhere which will be exacerbated by the extra current flowing.
Fix whatever bursts into flames.
--
Chuck >> Stay informed about: 91 Accord - speedo comes & goes, flashing S, check engine .. |
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External
Since: Feb 10, 2008
Posts: 1
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(Msg. 5) Posted: Sun Feb 10, 2008 11:18 am
Post subject: Re: 91 Accord - speedo comes & goes, flashing S, check engine light [Login to view extended thread Info.]
Archived from groups: alt>autos>honda, others (more info?)
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This look like a problem with the minus wire somewhere , please check it
from the battery to the chassis (could be here)
Kim
"R Flowers" skrev i en meddelelse
>I have a 91 Honda Accord. This is the latest in the car's lifelong ambition
>to have everything go wrong at least once.
>
> As I was driving (highway speeds) the speedometer acted up - it went a
> little higher (maybe), fluctuated, went to zero, then came back. Well,
> another thing to look into, I thought. We stopped and ate.
>
> Then, coming back home, it started doing it again. At the same time, the S
> light started blinking. Then the speedometer seemed to correct, but the S
> light kept flashing. As it flashed, the engine's power was diminishing.
> Then the check engine light came on, and the power came back (like a kick
> in the pants). The S light kept flashing, and we made it the short
> distance back to home.
>
> Doing a little research made it seem like the problem was the vehicle
> speed sensor. When I got the codes, though:
>
> Check Engine - 43
> S (TCU) - 4
>
> That doesn't seem to make sense. Some websites show 43 as a fuel delivery
> problem??
>
> BTW, I don't know if it has any bearing, but the cars battery went low a
> couple of days ago and we had a friend jump it (I wasn't there). The
> battery seemed to go dead for no reason, although my wife thinks she might
> have gotten the seat belt buckle jammed in the door.
>
> Thanks for any insight,
> R Flowers
> >> Stay informed about: 91 Accord - speedo comes & goes, flashing S, check engine .. |
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External
Since: Sep 21, 2005
Posts: 32
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(Msg. 6) Posted: Mon Feb 11, 2008 8:12 pm
Post subject: Re: 91 Accord - speedo comes & goes, flashing S, check engine light [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Here's how this turned out: I replaced the vehicle speed sensor, and that
has apparently corrected the problem My theory regarding the trouble code of
43 (fuel delivery problem) is: As the VSS sent an improper signal to the
computer, the computer began to cut down on the fuel supply. Then as I
pressed the gas pedal for more fuel, it might have gone into some failure
mode that gave up trying to tune the fuel delivery. I don't know much about
the computer/fuel interactions, though.
Thanks to all those who responded.
-- R Flowers
"Kim Bonnesen" wrote in message
> This look like a problem with the minus wire somewhere , please check it
> from the battery to the chassis (could be here)
>
> Kim
>
> "R Flowers" skrev i en meddelelse
>
>> Then, coming back home, it started doing it again. At the same time, the
>> S light started blinking. Then the speedometer seemed to correct, but the
>> S light kept flashing. As it flashed, the engine's power was diminishing.
>> Then the check engine light came on, and the power came back (like a kick
>> in the pants). The S light kept flashing, and we made it the short
>> distance back to home.
<snip> >> Stay informed about: 91 Accord - speedo comes & goes, flashing S, check engine .. |
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