Houston.. We have a Problem
Thread Starter
Racer
Joined: Jun 2002
Posts: 260
Likes: 0
From: DFW
Houston.. We have a Problem
I have a check engine code P0104.. how do i fix this? Is this a bad 02 sensor?? its really driving me insane. What parts do i need to buy, and for those that have had this code what did you guys do to solve this problem.
thanx
tito
:)
thanx
tito
:)
Drifting
Joined: Jul 2002
Posts: 1,320
Likes: 0
From: Duncanville Texas
Re: Houston.. We have a Problem (tito)
Curious to know were you got that it was a bad o2.......
I read it meant "MAF air flow intermitent."
This would indicate to me you have a problem with your MAF or maybe recently you removed the screen, or you may have knock one of the tiny sensors out of the MAF when you were working on your car, etc......
I would check the MAF first........or does someone read the code to mean something else?
I read it meant "MAF air flow intermitent."
This would indicate to me you have a problem with your MAF or maybe recently you removed the screen, or you may have knock one of the tiny sensors out of the MAF when you were working on your car, etc......
I would check the MAF first........or does someone read the code to mean something else?
Thread Starter
Racer
Joined: Jun 2002
Posts: 260
Likes: 0
From: DFW
Re: Houston.. We have a Problem (tito)
im just really confused about the code, i have done many searches and i keep getting different probabilities for the code.
If someone could chime in and set me straight as to what the problem is and how i go about solving it, i would really appreciate it.
thankx
tito
:)
If someone could chime in and set me straight as to what the problem is and how i go about solving it, i would really appreciate it.
thankx
tito
:)
Racer
Joined: Feb 2002
Posts: 479
Likes: 1
From: Portland OR
Re: Houston.. We have a Problem (tito)
Are you sure about that code? My 2001 service manual shows no P0104 but does show a P0140 which has to do with the HO2S voltage not changing when expected to. Perhaps this is different for 1999. :confused:
Drifting
Joined: Jul 2002
Posts: 1,320
Likes: 0
From: Duncanville Texas
Re: Houston.. We have a Problem (tito)
It has to do with your MAF....contact GM to doublke check, but I am pretty positive it does.
I would reset the code and see if it stays gone.
BTW,
Have you messed with the MAF in anyway lately? Do you have a dry nitrous system?
I would reset the code and see if it stays gone.
BTW,
Have you messed with the MAF in anyway lately? Do you have a dry nitrous system?
Racer
Joined: Sep 2001
Posts: 429
Likes: 0
From: Rocky Mount NC
Re: Houston.. We have a Problem (tito)
http://www.c5forum.com/ayc/1999dtc.php
Try this link. BTW, P0104 doesn't show up for the 99 as a valid code. P0101-103 are MAF codes, P0140 would be this: DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
Find out which one it is, then work from there.
:cheers:
Try this link. BTW, P0104 doesn't show up for the 99 as a valid code. P0101-103 are MAF codes, P0140 would be this: DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
Find out which one it is, then work from there.
:cheers:
Le Mans Master
Joined: Mar 2002
Posts: 5,718
Likes: 2
From: Flower Mound TX
Cruise-In V Veteran
St. Jude Contributor
Re: Houston.. We have a Problem (tito)
Hmmm...My manual doesn't even have a P0104 code, but all the codes before it relate to MAF:
DTC P0101
Mass Air Flow (MAF) Sensor Performance
DTC P0102
Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103
Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0101
Mass Air Flow (MAF) Sensor Performance
DTC P0102
Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103
Mass Air Flow (MAF) Sensor Circuit High Frequency
Thread Starter
Racer
Joined: Jun 2002
Posts: 260
Likes: 0
From: DFW
Re: Houston.. We have a Problem (C5 StockSwap)
Crapola!!!!!!! im sorry guyz... i typed the code wrong!! !!!doh!!! it is P0140 What sensor is "bank 1 sensor 2" ?? and does this mean my 02 is faulty?
[Modified by tito, 2:28 AM 11/4/2002]
[Modified by tito, 2:28 AM 11/4/2002]
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Melting Slicks
Joined: Jun 2002
Posts: 3,284
Likes: 0
From: I just killed your thread Redneck AZ
Re: Houston.. We have a Problem (tito)
Had the same code a month ago. I reset it and have not seen it since. I hear false codes are not that uncommon with C5's.
I'd reset the code. If it keeps coming back, then I'd start to worry a little.
Later, Keith :flag
I'd reset the code. If it keeps coming back, then I'd start to worry a little.
Later, Keith :flag
Racer
Joined: Sep 2001
Posts: 429
Likes: 0
From: Rocky Mount NC
Re: Houston.. We have a Problem (tito)
I believe Bank 1 is your pre-cat sensors. You may have a bad wire, or the headers may have scrorched it, giving you the fault. I would start with a wire check 1st.
Pro
Joined: Mar 2001
Posts: 512
Likes: 19
From: Greensboro NC
Re: Houston.. We have a Problem (Chandler)
... and sensor 2 is the passenger side
I believe Bank 1 is your pre-cat sensors. You may have a bad wire, or the headers may have scrorched it, giving you the fault. I would start with a wire check 1st.
Safety Car
Joined: Dec 2000
Posts: 3,888
Likes: 0
From: Humble, Tx
Re: Houston.. We have a Problem (QwikSilvr)
I had that code set on my Coupe when I hit a hard bump in the road.....like a wire was a bit loose and got jarred for a second. It set the check engine light, and when I got to work I checked the codes, reset it, and it never showed up again....
