My "check engine light" just came on. help

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Old 20 Mar 2005, 12:47 pm   #1 (permalink)
Rob
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Default My "check engine light" just came on. help

I was driving my '98 Camry today with 140,000 miles and the check
engine light came on the way back from Church. I did manage to make
it home. It felt like my V6 engine had a measly moped engine when I
pressed on the gas and it sputtered a little on high RPM's. It
certainly didn't "feel" right. The engine sounded strained even at
low speeds.

I plan on taking it in immediately tomorrow morning to the mechanic,
if I can make it. But can anyone give me an indication of what it
might be based on what I wrote so far?

Thanks,
Bob

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Old 20 Mar 2005, 04:42 pm   #2 (permalink)
hachiroku
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Default Re: My "check engine light" just came on. help

On Sun, 20 Mar 2005 13:47:56 -0500, Rob wrote:

> I was driving my '98 Camry today with 140,000 miles and the check
> engine light came on the way back from Church. I did manage to make
> it home. It felt like my V6 engine had a measly moped engine when I
> pressed on the gas and it sputtered a little on high RPM's. It
> certainly didn't "feel" right. The engine sounded strained even at
> low speeds.
>
> I plan on taking it in immediately tomorrow morning to the mechanic,
> if I can make it. But can anyone give me an indication of what it
> might be based on what I wrote so far?
>
> Thanks,
> Bob


Based on the symptoms, my first (perhaps not best) guess is the MAF sensor.
It's less expensive that the computer itself (My 2nd guess)
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Old 20 Mar 2005, 05:20 pm   #3 (permalink)
Rob
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Default Re: My "check engine light" just came on. help

What's a MAF sensor? Would it actually cause performance issues if
this sensor went bad?



On Sun, 20 Mar 2005 22:42:16 GMT, hachiroku <levin@ae86.gts> wrote:

>On Sun, 20 Mar 2005 13:47:56 -0500, Rob wrote:
>
>> I was driving my '98 Camry today with 140,000 miles and the check
>> engine light came on the way back from Church. I did manage to make
>> it home. It felt like my V6 engine had a measly moped engine when I
>> pressed on the gas and it sputtered a little on high RPM's. It
>> certainly didn't "feel" right. The engine sounded strained even at
>> low speeds.
>>
>> I plan on taking it in immediately tomorrow morning to the mechanic,
>> if I can make it. But can anyone give me an indication of what it
>> might be based on what I wrote so far?
>>
>> Thanks,
>> Bob

>
>Based on the symptoms, my first (perhaps not best) guess is the MAF sensor.
>It's less expensive that the computer itself (My 2nd guess)


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Old 20 Mar 2005, 06:26 pm   #4 (permalink)
kiselink@mindspring.com
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Default Re: My "check engine light" just came on. help

You need to get the OBD-II error code. Go to AutoZone and they will
read it for you for free. Then go from there.


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Old 21 Mar 2005, 12:37 am   #5 (permalink)
RVerDon
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Default Re: My "check engine light" just came on. help


> Based on the symptoms, my first (perhaps not best) guess is the MAF
> sensor.
> It's less expensive that the computer itself (My 2nd guess)


Change the fuel filter first.

Don


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Old 21 Mar 2005, 07:40 pm   #6 (permalink)
hachiroku
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Default Re: My "check engine light" just came on. help

On Sun, 20 Mar 2005 18:20:08 -0500, Rob wrote:

> What's a MAF sensor? Would it actually cause performance issues if
> this sensor went bad?


Damn! I answered this last night but it didn't post!

MAF-Mass Air Flow sensor; located right after the air cleaner. This can
cause the kind of problems you are describing. Also, a
cracked/leaking/loose tube from the MAF to the intake can do this, too.
The EGR can, and a loose/leaking/broken vacuum tube can too!

In my experieince with Toyotas, what seems like it may be expensive can
often be a 5 minute fix, merely by looking! Open the hood and have a good
look, all around. Check wires, plugs, tuubes, hoses, as one person said,
the Fuel Filter, etc. On one Tercel I had it was running rough and the MIL
(Check eng light) came on, and I chased it for a year! I got some
rubber-friendly carb cleaner and shot it through all the vacuum hoses and
the problem went away. Have a good look and tell us if you find something!



>
>
>
> On Sun, 20 Mar 2005 22:42:16 GMT, hachiroku <levin@ae86.gts> wrote:
>
>>On Sun, 20 Mar 2005 13:47:56 -0500, Rob wrote:
>>
>>> I was driving my '98 Camry today with 140,000 miles and the check
>>> engine light came on the way back from Church. I did manage to make
>>> it home. It felt like my V6 engine had a measly moped engine when I
>>> pressed on the gas and it sputtered a little on high RPM's. It
>>> certainly didn't "feel" right. The engine sounded strained even at
>>> low speeds.
>>>
>>> I plan on taking it in immediately tomorrow morning to the mechanic,
>>> if I can make it. But can anyone give me an indication of what it
>>> might be based on what I wrote so far?
>>>
>>> Thanks,
>>> Bob

>>
>>Based on the symptoms, my first (perhaps not best) guess is the MAF sensor.
>>It's less expensive that the computer itself (My 2nd guess)


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Old 21 Mar 2005, 10:44 pm   #7 (permalink)
hachiroku
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Default Re: My "check engine light" just came on. help

On Sun, 20 Mar 2005 18:20:08 -0500, Rob wrote:

> What's a MAF sensor? Would it actually cause performance issues if
> this sensor went bad?
>
>
>
> On Sun, 20 Mar 2005 22:42:16 GMT, hachiroku <levin@ae86.gts> wrote:
>
>>On Sun, 20 Mar 2005 13:47:56 -0500, Rob wrote:
>>
>>> I was driving my '98 Camry today with 140,000 miles and the check
>>> engine light came on the way back from Church. I did manage to make
>>> it home. It felt like my V6 engine had a measly moped engine when I
>>> pressed on the gas and it sputtered a little on high RPM's. It
>>> certainly didn't "feel" right. The engine sounded strained even at
>>> low speeds.
>>>
>>> I plan on taking it in immediately tomorrow morning to the mechanic,
>>> if I can make it. But can anyone give me an indication of what it
>>> might be based on what I wrote so far?
>>>
>>> Thanks,
>>> Bob

>>
>>Based on the symptoms, my first (perhaps not best) guess is the MAF sensor.
>>It's less expensive that the computer itself (My 2nd guess)

Mass AirFlow Sensor. As kiselink says, get someone to read the code; the
MAF sensor was just a guess. MOST check engine light failures don't cause
the symptoms you describe; the MAF does. There is another possibility that
causes the same problem; the air tube (the large rubber tube running from
the air cleaner to the intake plenum) has a rip or a leak at one end or
the other. If this is the problem, you're lucky: go to the 'recycling'
yard and get another! The only other problem I can think of is a pinched,
broken or disconnected vacuum line.

My many, many years of owning Toys has taught me one thing: open the hood
and look! Many, many times, upon careful scrutiny I have found loose plug
wires, pinched vacuum lines, loose wiring, etc just by looking, thereby
saving a $60 bill from taking it to Toyota or another garage to have them
do the same thing! If careful scrutiny does not turn up something obvious,
take it somewhere and get the code. Autozone will do it for free, but the
codes aren't always correct. Call the dealer and ask them what they
charge; one dealer near me charges 1/2 hour ($32) and another charges $99!!!

Hopefully, it will be something simple!

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Old 22 Mar 2005, 11:37 am   #8 (permalink)
Bob
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Default Re: My "check engine light" just came on. help

Being a car illterate, I had to take it to the Toyota dealer. yah,
they charged a lot.

It needed a new coilpack. That plus labor was about $200, but its
fixed now.

Thanks to all who replied.

-Robert



On Tue, 22 Mar 2005 04:44:13 GMT, hachiroku <levin@ae86.gts> wrote:

>On Sun, 20 Mar 2005 18:20:08 -0500, Rob wrote:
>
>> What's a MAF sensor? Would it actually cause performance issues if
>> this sensor went bad?
>>
>>
>>
>> On Sun, 20 Mar 2005 22:42:16 GMT, hachiroku <levin@ae86.gts> wrote:
>>
>>>On Sun, 20 Mar 2005 13:47:56 -0500, Rob wrote:
>>>
>>>> I was driving my '98 Camry today with 140,000 miles and the check
>>>> engine light came on the way back from Church. I did manage to make
>>>> it home. It felt like my V6 engine had a measly moped engine when I
>>>> pressed on the gas and it sputtered a little on high RPM's. It
>>>> certainly didn't "feel" right. The engine sounded strained even at
>>>> low speeds.
>>>>
>>>> I plan on taking it in immediately tomorrow morning to the mechanic,
>>>> if I can make it. But can anyone give me an indication of what it
>>>> might be based on what I wrote so far?
>>>>
>>>> Thanks,
>>>> Bob
>>>
>>>Based on the symptoms, my first (perhaps not best) guess is the MAF sensor.
>>>It's less expensive that the computer itself (My 2nd guess)

>Mass AirFlow Sensor. As kiselink says, get someone to read the code; the
>MAF sensor was just a guess. MOST check engine light failures don't cause
>the symptoms you describe; the MAF does. There is another possibility that
>causes the same problem; the air tube (the large rubber tube running from
>the air cleaner to the intake plenum) has a rip or a leak at one end or
>the other. If this is the problem, you're lucky: go to the 'recycling'
>yard and get another! The only other problem I can think of is a pinched,
>broken or disconnected vacuum line.
>
>My many, many years of owning Toys has taught me one thing: open the hood
>and look! Many, many times, upon careful scrutiny I have found loose plug
>wires, pinched vacuum lines, loose wiring, etc just by looking, thereby
>saving a $60 bill from taking it to Toyota or another garage to have them
>do the same thing! If careful scrutiny does not turn up something obvious,
>take it somewhere and get the code. Autozone will do it for free, but the
>codes aren't always correct. Call the dealer and ask them what they
>charge; one dealer near me charges 1/2 hour ($32) and another charges $99!!!
>
>Hopefully, it will be something simple!


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