1997 Camry and Check Engine Light

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Old 16 Mar 2006, 08:53 am   #1 (permalink)
oparr
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Default 1997 Camry and Check Engine Light

About two weeks ago my CEL came on. This also happened about 4 years
ago when a gas station attendant (no self-serve in NJ) didn't close the
gas tank cover properly. Well, that's not the case this time even
though it came on a few days after filling up with gas from a Lukoil
station. Previously, I had only bought from Mobil and Exxon stations.

The car has gone 126,000 miles so it's a prime candidate for things to
start failing, nevertheless, I'm also aware that CEL problems can lead
to "windfall" profits for some garages. Before taking it in (yes, I
know, they connect to the MCU board and get back a diagnostic code and
this service can be free), I strongly suspect the "new" gas has
something to do with it and will wait till the tank is empty then
refill with my favorite gas.

Am I being prudent or foolish? My wife refuses to drive with me with
the CEL on. Also, the post below caught my attention;

==============
"He has had quite a few "check engine" light problems which he traced
to the 87 octane. He told me to stay away from the off brands,
because they had a range of components in the gasoline that would
cause the check engine light to come on.

I had this happen to my other car, a 2001 camry v6. It can run on 87.
I put some "cheap 87 gas" in it and the next day the check engine
light came on. I took it to them after several days and they could
not find anything wrong. I attribute this to cheap gas."
==============

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Old 16 Mar 2006, 09:25 am   #2 (permalink)
learnfpga@gmail.com
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Default Re: 1997 Camry and Check Engine Light

CEL is a nasty problem which once it starts keeps poking its head again
and again. CEL will not affect you in any way in a short run but its a
good thing to get it checked. Also you can go to auto zone and have
them read the code for free and then go to the mechenic. That way you
know what you are getting into.

Regarding the octane rating....I am not sure. My mechenic suggested me
to stay away from 87 becuase it causes problems. But doesnt make sense
to me because otherwise why would all these car companies ask to use 87
grade. There may be some sense to stay away from independent gas
stations as they can have pretty bad quality.

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Old 16 Mar 2006, 09:45 am   #3 (permalink)
oparr
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Default Re: 1997 Camry and Check Engine Light

>CEL is a nasty problem which once it starts keeps poking its head again
>and again.


Googling >"check engine light" "cheap gas"< can be very
informative....This post for example;

===================
"The light should really be called "emissions system" light, but then
nobody would ever have
it checked. In many models other fault codes are also piggy-backed onto
the
mandatory emissions related codes, which complicates the decision."
===================

Not closing the gas tank cover until it clicks can trigger the CEL in
Camrys and other models. So while you may have a point, I can't agree
with you all the way. What I'm almost certain of is that unscrupulous
garages take advantage of this state of affairs especially if you
aren't around to see the exact code yourself. Also, several cases of
genuinely misdiagnosed problems have resulted in customers paying for
new installations they never needed. In most cases, the customer isn't
any wiser.

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Old 16 Mar 2006, 01:26 pm   #4 (permalink)
onehappymadman@yahoo.com
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Default Re: 1997 Camry and Check Engine Light


oparr wrote:
> >CEL is a nasty problem which once it starts keeps poking its head again
> >and again.

>
> Googling >"check engine light" "cheap gas"< can be very
> informative....This post for example;
>
> ===================
> "The light should really be called "emissions system" light, but then
> nobody would ever have
> it checked. In many models other fault codes are also piggy-backed onto
> the
> mandatory emissions related codes, which complicates the decision."
> ===================
>
> Not closing the gas tank cover until it clicks can trigger the CEL in
> Camrys and other models. So while you may have a point, I can't agree
> with you all the way. What I'm almost certain of is that unscrupulous
> garages take advantage of this state of affairs especially if you
> aren't around to see the exact code yourself. Also, several cases of
> genuinely misdiagnosed problems have resulted in customers paying for
> new installations they never needed. In most cases, the customer isn't
> any wiser.



Toyota could have easily programmed the Odometer LCD display (or any
other in-dash display) to give a dump of diagnostic codes on demand,
and give an index of codes in the user manual. Since Toyota chose not
to do so, I am guessing this is to fatten the wallets of the dealership
service department.

About five years ago I took my '96 Camry to the dealership - check
engine light. Turns out I needed a new gas cap. $90+ later...

Purchasing an OBD-II readout (or borrowing AutoZone's) is probably the
way to go. If only I'd known then that AutoZone would provide the
service for free...

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Old 16 Mar 2006, 02:13 pm   #5 (permalink)
oparr
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Default Re: 1997 Camry and Check Engine Light

>Turns out I needed a new gas cap. $90+ later...

Googling >"check engine light" "gas cap" camry< returns many hits. Yes,
a trip to Autozone can avoid horror stories like these;

=================
"I've had a
problem with the check engine light coming on in my 2000 Camry LE V6
since I got the car new in 2000. The dealer keeps replacing the
charcol canister, oxygen sensor, gas cap, recalibrated the computer
and it's still happening. 5 times since February 2004."
=================

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Old 16 Mar 2006, 02:20 pm   #6 (permalink)
m Ransley
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Default Re: 1997 Camry and Check Engine Light

Start with something cheap, a new gas cap, that is where the issue
started.

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Old 17 Mar 2006, 08:54 am   #7 (permalink)
learnfpga@gmail.com
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Default Re: 1997 Camry and Check Engine Light

It may be bad computer also. I went to dealer yesterday with my 1999
camry with 72000 miles on it. My CEL kept coming on the code was 1133
and 1135. Inspite of replacing the AF ratio sensor the problem
persisted. I found somewhere the in case of emissions the warranty
covers till 8 years or 96000 miles.
Asked the dealer to fix it. The computer will be replaced free of
charge hurray!!!!

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Old 17 Mar 2006, 09:51 am   #8 (permalink)
steve-o
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Default Re: 1997 Camry and Check Engine Light


learnfpga@gmail.com wrote:
> It may be bad computer also. I went to dealer yesterday with my 1999
> camry with 72000 miles on it. My CEL kept coming on the code was 1133
> and 1135. Inspite of replacing the AF ratio sensor the problem
> persisted. I found somewhere the in case of emissions the warranty
> covers till 8 years or 96000 miles.
> Asked the dealer to fix it. The computer will be replaced free of
> charge hurray!!!!


FWIW - I have a '96 CamryDX w/ 250,000 miles. The CEL came on at around
140,000.
Replaced an O2 sensor, that was ok. Then CEL came on again @ 180,000
the other O2 sensor was gone. Make a long story short, can't get the O2
sensor out, have been driving with the CEL ON for at least 80,000
miles. Only time I reset the CEL is before inspection, then it seems to
fault after 35 miles or so..No degradation in performace or milage.

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Old 20 Mar 2006, 08:24 am   #9 (permalink)
oparr
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Default Re: 1997 Camry and Check Engine Light

m Ransley wrote:
> Start with something cheap, a new gas cap, that is where the issue
> started.


Bought a scanner and pulled code P1135 (A/F sensor heater circuit
malfunction) then erased the code. It's a California compliant 4 Cyl
1997 Camry assembled in Japan, which seems odd since I bought it new in
NJ back in early 1997.

Logically, one would think replacing the A/F sensor would be the next
thing to do but I'm waiting to see if it shows up again and possibly
with something else. In the meanwhile I'll get a sensor socket in
readiness. Won't buy the actual sensor (around $150.00) until ready to
change.

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Old 20 Mar 2006, 08:41 am   #10 (permalink)
oparr
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Default Re: 1997 Camry and Check Engine Light

m Ransley wrote:
> Start with something cheap, a new gas cap, that is where the issue
> started.


Bought a scanner and pulled code P1135 (A/F sensor heater circuit
malfunction) then erased the code. It's a California compliant 4 Cyl
1997 Camry assembled in Japan, which seems odd since I bought it new in
NJ back in early 1997.

Logically, one would think replacing the A/F sensor would be the next
thing to do but I'm waiting to see if it shows up again and possibly
with something else. In the meanwhile I'll get a sensor socket in
readiness. Won't buy the actual sensor (around $150.00) until ready to
change.

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