22 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHLong time...no post. But I'm back!
Leading reported evidence
Repair will cost
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion · Original poster
Does anyone have an idea of how much the repair will cost?
Leading evidence: 'Repair will cost' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Repair will cost' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
I agree with the burn the O2 sensor off by running the car a little.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
22 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T152433Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi all,
As many of you know I was diagnosed with a brain tumor last October, had a very successful surgery in early January, and have been in radiation/chemo for the last 4 weeks. I only have two weeks for treatment to go and if everything goes well, I get the all clear to drive on April 10.
So in the meantime, I've been polishing my 2000 C4 with a baby diaper
and running it in the garage periodically. Yesterday the "check engine" light come on. I had a neighbor with a code reader hook it up and it read a failed O2 sensor. Now i'm preparing for a big blow to my wallet from the stealership.
Does anyone have an idea of how much the repair will cost?
Thanks and i'm glad to be back (almost)!
JG
welcome back.... glad that you are doing good!.... Try to record the codes and we can help you narrow it down, might even get the neighbor diy it for you. These cars are easy to work on.
I would drive it first just to make sure it doesn't need some soot burned off, from running it in the garage.
I think that you will still need to clear the code.
Congrats on the successful treatment. Glad to hear.
Brian
Welcome back! I would second driving the car a bit after clearing the codes just to make sure the sensor has failed. It may just be dirty...
Don't rub your car too hard with that diaper- my buddy nearly wore out the paint on his 996 while he was laid up with a severely broken leg! LOL
Cheers,
Tom
Welcome back, John! Great to hear your news. I'm sure April 10th can't come soon enough. God bless your continued recovery. Now get that 02 sensor fixed so you can drive her!
Hey welcome back to tinkering around with the big toy. I agree with the burn the O2 sensor off by running the car a little. Condensation might of had too many goes at coating the sensitive coating on the sensor and driving it might clean it off good enough.
High performance engines don't take well to fast no load reving so if you do play put some revs on the engine while sitting still make it a gradual climb and let gradually off of the gas instead of chopping it. Sure the perfomance engines will rev fast and do it easy but it can damage. Just make sure the engine is up to operating for a while so that everything has settle in to its happy temp all around. Doing it while driving is always best. I don't advise winding it out in 6th gear
Thanks everyone for the kind welcome back!
Well it looks like the MAF sensor is bad and needs to be replaced. So, does anyone know how much this should cost? Could I fix it myself?
Thanks for your help!
JG
Welcome back and congrats on the treatment.
The MAF is a piece of cake to change, you can do it yourself in less than 15min. Does your car have E-Gas or not? I probably have both units at my shop, I sell quite a few MAF's. Good luck!
Having the T-20 is a good start!
You can look at your current one and write down the part number:
996.606.124.00 with E-Gas
996.606.123.00 without E-Gas
I can also tell you by your VIN # if it came with E-Gas or not.
Great to hear that you are doing well!!!
Like others have said, you should not have a problem replacing these items yourself, even if you are not a serious DIYer.
Best of luck to you with the conclusion of your treatments as well as with the car.