1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

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Old 03 Feb 2009, 12:30 am   #1 (permalink)
Matthew Lee
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Default 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

Nice to see there's a spot on here for Camry fans/owners!

I've been experiencing a rougher than normal idle just above regular
idle speed and just under 2-3 mph.
In Neutral idle seems fine, but... if I kick my headlights on in Park
or Neutral the same idle sensation occurs.

I ratted around some Toyota Forums and this topic had been touched on breifly.
Someone had suggested the Alternator might be going out?

Had the alternator tested at Auto Zone and it was at 50 amps/10 volts
with head lights on.
I'm definitely thinking the alternator is the culprit but was hoping
for a 2nd or 3rd opinion.

Wouldn't my battery be dead at this rate?

Car starts fine...just the rough idle at low low rpm, smoothing out
upon acccelaration.
It's almost as if theres a point in the belt/pulley/unit that causes
the vibration and once the rpms surpasses that it smooths right out.
IDK.

Any help/suggestions would be greatly appreciated!

Thanks,
MATT

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Old 03 Feb 2009, 04:08 am   #2 (permalink)
ransley
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

On Feb 3, 12:30*am, Matthew Lee wrote:
> Nice to see there's a spot on here for Camry fans/owners!
>
> I've been experiencing a rougher than normal idle just above regular
> idle speed and just under 2-3 mph.
> In Neutral idle seems fine, but... if I kick my headlights on in Park
> or Neutral the same idle sensation occurs.
>
> I ratted around some Toyota Forums and this topic had been touched on breifly.
> Someone had suggested the Alternator might be going out?
>
> Had the alternator tested at Auto Zone and it was at 50 amps/10 volts
> with head lights on.
> I'm definitely thinking the alternator is the culprit but was hoping
> for a 2nd or 3rd opinion.
>
> Wouldn't my battery be dead at this rate?
>
> Car starts fine...just the rough idle at low low rpm, smoothing out
> upon acccelaration.
> It's almost as if theres a point in the belt/pulley/unit that causes
> the vibration and once the rpms surpasses that it smooths right out.
> IDK.
>
> Any help/suggestions would be greatly appreciated!
>
> Thanks,
> MATT


I have a 91 and have replaced plugs, wires, cap , rotor maybe 4 times
in its life, how about you, age wears on components also. how many
miles on it. Its only Ninteen!
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Old 05 Feb 2009, 04:18 pm   #3 (permalink)
Matthew Lee
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

On 2009-02-02 22:30:39 -0800, Matthew Lee said:

> Nice to see there's a spot on here for Camry fans/owners!
>
> I've been experiencing a rougher than normal idle just above regular
> idle speed and just under 2-3 mph.
> In Neutral idle seems fine, but... if I kick my headlights on in Park
> or Neutral the same idle sensation occurs.
>
> I ratted around some Toyota Forums and this topic had been touched on breifly.
> Someone had suggested the Alternator might be going out?
>
> Had the alternator tested at Auto Zone and it was at 50 amps/10 volts
> with head lights on.
> I'm definitely thinking the alternator is the culprit but was hoping
> for a 2nd or 3rd opinion.
>
> Wouldn't my battery be dead at this rate?
>
> Car starts fine...just the rough idle at low low rpm, smoothing out
> upon acccelaration.
> It's almost as if theres a point in the belt/pulley/unit that causes
> the vibration and once the rpms surpasses that it smooths right out.
> IDK.
>
> Any help/suggestions would be greatly appreciated!
>
> Thanks,
> MATT


anyone>\\\?
Thanks!

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Old 05 Feb 2009, 05:35 pm   #4 (permalink)
Winston
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

Matthew Lee wrote:
(...)

>> Car starts fine...just the rough idle at low low rpm, smoothing out
>> upon acccelaration.
>> It's almost as if theres a point in the belt/pulley/unit that causes
>> the vibration and once the rpms surpasses that it smooths right out.
>> IDK.
>>
>> Any help/suggestions would be greatly appreciated!
>>
>> Thanks,
>> MATT

>
> anyone>\\\?
> Thanks!
>


Matt, have you downloaded OnBoard Diagnostic codes from the computer yet?
http://www.autozone.com/UseCase,S001...tInTheZone.htm

--Winston

--

I'm still waiting for another sublime, transcendent flash of adequacy.
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Old 06 Feb 2009, 12:23 am   #5 (permalink)
Leftie
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

Matthew Lee wrote:
> On 2009-02-02 22:30:39 -0800, Matthew Lee said:
>
>> Nice to see there's a spot on here for Camry fans/owners!
>>
>> I've been experiencing a rougher than normal idle just above regular
>> idle speed and just under 2-3 mph.
>> In Neutral idle seems fine, but... if I kick my headlights on in Park
>> or Neutral the same idle sensation occurs.
>>
>> I ratted around some Toyota Forums and this topic had been touched on
>> breifly.
>> Someone had suggested the Alternator might be going out?
>>
>> Had the alternator tested at Auto Zone and it was at 50 amps/10 volts
>> with head lights on.
>> I'm definitely thinking the alternator is the culprit but was hoping
>> for a 2nd or 3rd opinion.
>>
>> Wouldn't my battery be dead at this rate?
>>
>> Car starts fine...just the rough idle at low low rpm, smoothing out
>> upon acccelaration.
>> It's almost as if theres a point in the belt/pulley/unit that causes
>> the vibration and once the rpms surpasses that it smooths right out.
>> IDK.
>>
>> Any help/suggestions would be greatly appreciated!
>>
>> Thanks,
>> MATT

>
> anyone>\\\?
> Thanks!
>



Generally, with electronic fuel injection, this kind of problem is
either a dirty idle air control valve, a bad fuel injection (not gauge)
temp sensor, or an air mass meter problem. There are other
possibilities, but the IAC valve is a good place to start.
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Old 06 Feb 2009, 03:52 am   #6 (permalink)
Matthew Lee
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

On 2009-02-05 15:35:44 -0800, Winston <Winston@bigbrother.net> said:

> Matthew Lee wrote:
> (...)
>
>>> Car starts fine...just the rough idle at low low rpm, smoothing out
>>> upon acccelaration.
>>> It's almost as if theres a point in the belt/pulley/unit that causes
>>> the vibration and once the rpms surpasses that it smooths right out.
>>> IDK.
>>>
>>> Any help/suggestions would be greatly appreciated!
>>>
>>> Thanks,
>>> MATT

>>
>> anyone>\\\?
>> Thanks!
>>

>
> Matt, have you downloaded OnBoard Diagnostic codes from the computer yet?
> http://www.autozone.com/UseCase,S001...tInTheZone.htm


--Winston

Thanks
>

for the reply.
No not yet, Is there a plug in or do I have to do it manually?

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Old 06 Feb 2009, 03:54 am   #7 (permalink)
Matthew Lee
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

On 2009-02-05 22:23:06 -0800, Leftie <No@Thanks.net> said:

> Matthew Lee wrote:
>> On 2009-02-02 22:30:39 -0800, Matthew Lee said:
>>
>>> Nice to see there's a spot on here for Camry fans/owners!
>>>
>>> I've been experiencing a rougher than normal idle just above regular
>>> idle speed and just under 2-3 mph.
>>> In Neutral idle seems fine, but... if I kick my headlights on in Park
>>> or Neutral the same idle sensation occurs.
>>>
>>> I ratted around some Toyota Forums and this topic had been touched on breifly.
>>> Someone had suggested the Alternator might be going out?
>>>
>>> Had the alternator tested at Auto Zone and it was at 50 amps/10 volts
>>> with head lights on.
>>> I'm definitely thinking the alternator is the culprit but was hoping
>>> for a 2nd or 3rd opinion.
>>>
>>> Wouldn't my battery be dead at this rate?
>>>
>>> Car starts fine...just the rough idle at low low rpm, smoothing out
>>> upon acccelaration.
>>> It's almost as if theres a point in the belt/pulley/unit that causes
>>> the vibration and once the rpms surpasses that it smooths right out.
>>> IDK.
>>>
>>> Any help/suggestions would be greatly appreciated!
>>>
>>> Thanks,
>>> MATT

>>
>> anyone>\\\?
>> Thanks!
>>

>
>
> Generally, with electronic fuel injection, this kind of problem is
> either a dirty idle air control valve, a bad fuel injection (not gauge)
> temp sensor, or an air mass meter problem. There are other
> possibilities, but the IAC valve is a good place to start.


Thanks for the reply/suggetstion.
I'll look into those components.
I can def rule out alternator then even at 50/10?

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Old 06 Feb 2009, 01:15 pm   #8 (permalink)
Winston
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

Matthew Lee wrote:
> On 2009-02-05 15:35:44 -0800, Winston <Winston@bigbrother.net> said:

(...)

>> Matt, have you downloaded OnBoard Diagnostic codes from the computer yet?
>> http://www.autozone.com/UseCase,S001...tInTheZone.htm
>>

>
> --Winston
>
> Thanks
>>

> for the reply.
> No not yet, Is there a plug in or do I have to do it manually?


If you are in the U.S., Autozone stores are rumored to be
able to read OBD codes for free. Otherwise, you will want
to buy an OBD reader. They aren't all that expensive and
can be very useful.

If you are feeling adventurous, you can read trouble codes
using the 'flashing light' system, without an OBD reader.

http://www.autozone.com/az/cds/en_us...rInfoPages.htm

--Winston

--

I'm still waiting for another sublime, transcendent flash of adequacy.
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Old 06 Feb 2009, 01:20 pm   #9 (permalink)
Winston
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

Winston wrote:
> Matthew Lee wrote:
>> On 2009-02-05 15:35:44 -0800, Winston <Winston@bigbrother.net> said:

> (...)
>
>>> Matt, have you downloaded OnBoard Diagnostic codes from the computer
>>> yet?
>>> http://www.autozone.com/UseCase,S001...tInTheZone.htm
>>>

>>
>> --Winston
>>
>> Thanks
>>>

>> for the reply.
>> No not yet, Is there a plug in or do I have to do it manually?

>
> If you are in the U.S., Autozone stores are rumored to be
> able to read OBD codes for free. Otherwise, you will want
> to buy an OBD reader. They aren't all that expensive and
> can be very useful.
>
> If you are feeling adventurous, you can read trouble codes
> using the 'flashing light' system, without an OBD reader.
>
> http://www.autozone.com/az/cds/en_us...rInfoPages.htm


Also:
http://www.autozone.com/addVehicleId...00c152801ccc63

--Winston


--

I'm still waiting for another sublime, transcendent flash of adequacy.
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Old 06 Feb 2009, 03:42 pm   #10 (permalink)
Matthew Lee
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Default Re: 1991 Camry Wagon DX 4 Cyl. (Idle Trouble)

On 2009-02-06 11:15:38 -0800, Winston <Winston@bigbrother.net> said:

> Matthew Lee wrote:
>> On 2009-02-05 15:35:44 -0800, Winston <Winston@bigbrother.net> said:

> (...)
>
>>> Matt, have you downloaded OnBoard Diagnostic codes from the computer yet?
>>> http://www.autozone.com/UseCase,S001...tInTheZone.htm


--Winston

Thanks

for
>>>

>> the reply.
>> No not yet, Is there a plug in or do I have to do it manually?

>
> If you are in the U.S., Autozone stores are rumored to be
> able to read OBD codes for free. Otherwise, you will want
> to buy an OBD reader. They aren't all that expensive and
> can be very useful.
>
> If you are feeling adventurous, you can read trouble codes
> using the 'flashing light' system, without an OBD reader.
>
> http://www.autozone.com/az/cds/en_us...rInfoPages.htm


--Winston

Thanks
>

Winston...I definitely need to run those codes.
Could you suggest how to run them manually or is the OBD reader the
better option form the get go?

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