If the ECU thought any sensor would be bad, wouldn't it send a CEL?

Honda said it was normal to switch back and forth between open and closed loop. One for throttle and one for idle. I'm not possitive we're talking about the same sensors, this is just hearsay from a lead service tech at the dealership. He also said that the actuation of the vtec cams basically relies on two things, the temp of the engine coolant, and rpms. As long as your coolant is warmed up,(and you have enough oil pressure) it'll hit vtec everytime you hit a certain rpms(~6,000). So neither of those appears to be my problem.

We drove it with the laptop again on Friday and I think we got two good snapshots to send to Honda. They were going to send them today and let me know if they found anything. I didn't have any trouble with it over the weekend oddly enough, but I've sort of narrowed it down.

Seems to happen most often when I've started it cold, driven 10-20 minutes, shut it off for 10-20 min and then drive again. It'll choke for about 5 minutes and then be fine. This isn't always the formula, but it's getting close to a pattern.

 

Sounds like the problem i have,
plz post if anything new happens again!

 

In the case of NC's car we do not know if it will throw a CEL or not. This has not been tested yet, to my knowledge.

I have seen a bad sensor cause a problem and never get a CEL. Has anyone put an OBDII scanner on your car, NC, and checked for DTC's? I don't recall if this was done or not. It is very possible to get a Diagnostic Test Code and not get a Check Engine Light. What happens if the light is bad and won't illuminate?

 

Every reading was done in Honda, like i said before it was done in 2 different Honda dealers. Levent Auto, in Nicosia Cyprus and Demstar Auto in Nicosia Cyprus aswell. What the 2 different mechanics in those places said was same, everything was checked and everything was normal. If there was anything wrong woulndt it come up in the computer tests? We even tested the car while driving with the laptop connected, normal again. Thats why it's taking so many things to solve this problem. No CEL, nothing wrong in computers.

Driving me crazy like i said.

 

Didn't you buy this car from a Honda dealer? Did it come with any kind of a warranty? If it did and it's still under warranty, can you escalate this repair through the Honda management team in your country?

If there was no problem, why did you start this thread and ask for help? Just because the mechanics could not find your problem does not mean that it doesn't exist, as you very well know. I have worked with computers for over 40 years. I know how difficult it can be to find an intermittent problem.

If I were you, I think that I would try to escalate this through the Honda organization in your country or press the dealer to exchange your car for another S2000.

Good luck,
Bob

 

Well thanks, i do have a problem with my s2000, if it was found by any computer i would have solved it till now. I do have a year's warrant from the dealer, but no chance of exchange. I did all the part changes for free thanks for the warranty. I did try to work with the Honda team to solve this problem but i didnt get what i expected. Things doesnt work here like it works in USA. They dont spent time on me. %99 of the help i had till now was from this site. Seriously, the Honda's manager here doesnt even know what type of engine these cars have. I have a mechanic who knows a bit about s2ks, he helped me on switching parts and in services etc. Nothing else i can get here. I need to hear from people who had a similar problem with me. Thanks.

 

I run into this as well. A lot of the dealers here do not know anything about our cars, either.

Have you tried working with the sales people at the dealership that sold you the car? Sometimes they can put more leverage on the service department than you can.

I hope that you find what it is that you're looking for,
Bob

 

Well when it comes to a salesman, after they sell the car they dont give a shit, even there's a warranty. Salesman told me to go to Honda, make them find what the problem is, than he would pay for it.
If Honda found what the problem was, everything was gonna be ok, problem was gonna be solved, as you know, they couldnt.
The only way of me finding out what the problem is : suggestions from other people who have or had the same kind of problem. Thanks for the post.

 

Any news?

 

UPDATE from the Carolina's. I never had the problem as seriously as North Cyprus but still similar it seems. The dealer installed a new MAP sensor yesterday. Car has run fine so far, but it also ran fine for a full week before the new MAP sensor. We'll give it three weeks before I call it fixed.