YACT: OMFG Car problems already

[Chiboy]

When I bought the car yesterday they guy said it had a bad O2 Sensor, well he took out $100 from the price to change it. I went to autozone had them check with the computer, it also showed the O2 sensor. I just changed it, the check engine light is still on. I reset the battery, it is still on... WTF NOW?!?

Car is a 1995 Nissan Sentra GXE

 

[acemcmac]

uhoh... lemon...

 

[StageLeft]

Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

 

[Chiboy]

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

 

[sash1]

should have stuck with the pimpin', girl-magnet Daewoo

holla!

`K

 

[StageLeft]

Originally posted by: Chiboy

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

I guess it depends on the car. My maxima has 3. I don't think the cylinders alone can tell you. What car do you have?

Anyway, I'd try disconnecting it for a much longer period of time.

 

[Red]

Gosh, how many freakin YACTs are you going to post?

 

[Chiboy]

Originally posted by: Skoorb

Originally posted by: Chiboy

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

I guess it depends on the car. My maxima has 3. I don't think the cylinders alone can tell you. What car do you have?

Anyway, I'd try disconnecting it for a much longer period of time.

Car is a 1995 Nissan Sentra GXE

 

[Zenmervolt]

Originally posted by: Chiboy

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

Battery needs to be disconnected for far longer than that.

ZV

 

[Chiboy]

Originally posted by: Red
Gosh, how many freakin YACTs are you going to post?

There will be a lot more

 

[StageLeft]

do you still have the code that autozone gave you?

 

[acemcmac]

I know that my car's computer has to be totally reset before that light will go away, even if the problem is fixed. my haynes manual says you just short two pins on the obd2 jack. mabye yours is the same?

 

[TuffGuy]

Originally posted by: Chiboy

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

I think that it should have at least 2. One before the cat, and one after the cat. Or something like that.

 

[StageLeft]

Originally posted by: TuffGuy

Originally posted by: Chiboy

Originally posted by: Skoorb
Go back to autozone and see what the code is. How long did you disconnect the battery for? As long as you changed the right O2 sensor, and it was indeed the sensor, then disconnecting the battery for up to several hours, then reconnecting (just discon the negative), should do the trick.

uhoh... lemon...

It's a common problem. I had it within a week of buying my used 00 maxima, which has since been flawless over 18 months. I think that when I bought it - just as chiboy is now experiencing - the person who had it probably reset the code (a little devious), just before selling it, so that it would last a little while, as these can take up to several hundred miles to turn back on.

I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

I think that it should have at least 2. One before the cat, and one after the cat. Or something like that.

Yeah I'm trying to find out and that looks to be the case. I believe that my 93 sentra had only one pre-cat, but this one looks to have a pre and post. A review somewhere said that the rear (post cat) one has a tendency to go out, but with the code he should be able to tell.

 

[Chiboy]

Originally posted by: Skoorb
do you still have the code that autozone gave you?

Skoorb, I will get the code again. I will go later today & ask for the code. If I give you the code, you can find out what is up with the car?

Edit: Guys thanks for all your help btw

 

[bmacd]

on my explorer, i have to leave the battery disconnected for at least 15 mins and the codes will clear out. If autozone is still open, have them re-check the code.

-=bmacd=-

 

[MovingTarget]

~~Obligatory post!~~

What did you expect...its an import!

/flamesuit on

 

[AgaBoogaBoo]

Originally posted by: MovingTargetWhat did you expect...its an import!

less problems than a domestic

 

[lepper boy]

Some cars have a sensor right after the air filter and it is possible for something to get into that sensor and set the light off..

But this is more of a possibility if you are using a re-usable airfilter like a K&N filter where you clean it and put more oil on it.. to much oil and it will set off the sensor and through the code.
d

 

[Viperoni]

Wow, a nissan needing a 02 sensor after only 4 years? I'm appalled

 

[TwoBills]

There was a switch on the back of my dash cluster that had to be thrown before the light would go out. Electricial tape works good. I read somewhere you had to take both battery leads off and hold them together for a beat. Don't remember what that was about. Couldn't hurt to try. The leads. Not the battery terminals!

 

[NutBucket]

'95 should be pre-ODB2 in which case there would most likely only be one sensor. But if you got it read at autozone then I suppose there should be an O2 in the cat somewhere. IIRC you have to pull the shifter console or something to get to it (the wiring anyway).

 

[psteng19]

Originally posted by: Chiboy
I only disconnected it for like a minute... There is more than 1 O2 Sensor? This is the 4cylinder car so I thought it only had one?

What does the number of cylinders have anything to do with the number of O2 sensors?

A '95 Sentra has 2 O2 sensors. One in the cat (positive) and another at the exhaust manifold (I believe).
Both of mine went bad (also '95 Sentra) but were very easy and cheap to replace.
I replaced both but never reset the ECU so my light still stays on.

 

[krunchykrome]

Originally posted by: Chiboy
When I bought the car yesterday they guy said it had a bad O2 Sensor, well he took out $100 from the price to change it. I went to autozone had them check with the computer, it also showed the O2 sensor. I just changed it, the check engine light is still on. I reset the battery, it is still on... WTF NOW?!?

Car is a 1995 Nissan Sentra GXE

Should have bought a Daewoo

 

[Chiboy]

My car has 2 Sensors, the second located under the car. Now I need to replace that & all should be well. I looked every where for No. 2 rear sensor. I guess I have to go to the dealer

Exact location:

UNDER VEHICLE, CENTER, BELOW SEATING AREA, NEXT TO CATALYTIC CONVERTER, MOUNTED ON EXHAUST PIPE