I went to the track a couple weekends ago for the first time with the car (about 6500 miles on it). I ran prolly 10 times, it was dead since it was raining on and off!

On my way back from NJ, I cross the DWG bridge and go thru the toll. I wasn't done having fun I guess and took off from the toll hard! I didn't no-lift 1-2, just seems harsh and not effective to me (just my .02, you guys prolly have more practice and nail it right!) anyway..car took off 1st and 2nd gear well, I did a no-lift to 3rd....there was a backfire then flashing cel!! The car went into a Limp mode...NO power when I tried to accelerate moderately even!!

I limped it like it wanted for 30-45 seconds, the light went off and the car ran fine again. Anyone else get something like this? Is this something I should be worried about? I'm considering getting a flash but I would HATE for something to go wrong after and I'm out. I own my car outright so I don't want to chance being out the 23k

Thanks for reading

 

Finally! My car has been doing that for the past month. I've only had it for 2 months. The plugs fol out from to much fuel and the tune from the nolift up shift. I also have the car do it witrh a quick shift w/o using the nolift. My car is going back to the dealer yet again for this problem and I jhave a case open with gm customer service. They are going to look at the car and see if they can do something.

I know its the tune, look at the tailpipe a day after polishing it. Its filthy and that is from oo much fuel. I think a tune will solve this problem but I want he dealer to do something about it. I'm not paying for a tune when the car SHOULD not do that. It has been getting worse everyday. Call and complain to customer service. # is online. And it only happens at high rpm with and without nolift and the dealwr literally said to me that they have no clue. Ill keep u informed abo my situation and the dealer and gm.

 

Ok so we're not alone, this is kinda good lol.

Do you ever get a no power symptom when trying to accel in 5th on the highway? Ive had that once or twice, I pull the ECM fuse overnight and it was fine the next day *shrug*

 

If I'm not mistaken a flashing CEL is a brutal misfire...check the codes and let us know. You're looking for 300, 301, 302, 303 and/or 304 (could be one or all) but the fact it recovered from limp mode after45 seconds is odd to say the least.

As for the tailpipe crackbunny that has little to do with the tune it's a result of direct injection. Just thought Id' give you a heads up since it's going to continually build up but as long as you're not blowing loads of smoke out the tailpipe it's completely expected.

 

I have the RPD and teh Wideband doesn't read sick rich, its 12.5-13:1 WOT.

I don't have any stored codes, I checked. It's def weird!

 

my car will do this as well. stock tune or not.

 

No stored codes after a flashing cel...? I'm going to monitor this thread in case someone with more knowledge of it pipes up...I'm now curious as well .

 

This is very common. Also probably misfiring like crazy.

Best advice. STOP NLS

 

See I agree with the misfires but the ECM keeps track of how many you've had over a period of time and will eventually start throwing the codes I've mentioned above. I'd say try it out again and see what happens but on the flip side if I were in your position I'm not sure that I would . NLS seems to be tempermental, but if you did hear a backfire and not the NLS "pop"...I'd avoid doing it on a regular basis.

 

I thought I would be safe running the pants off the car. I filled up with half 93 and half 100 (unleaded of course!) This combo of gas seems to make the car more responsive and not so jerky like it is at times with moderate accel.

Edit: I def don't no-lift regularly, I truly drive pretty normal daily. But I didnt buy a car like this to drive it like g-pa either! That being said..I know the NLS pop, and it sounded like that but longer. Then it kinda pulsated for a split second, so I IMMEDIATELY let off the gas! When I looked down I noticed the flashing cel.

 

Thats happened to me on the race track before... NLS then flashing CEL, I didnt go into limp mode though, its only happened once.

 

the code u threw i bet 1000000 dollars was p0300 and p0303 that was muy main problem shifting or going into high rpms....misfires, pain in the ass
i first noticed this happening to my car about a half a year ago...then i got trifecta tuned and it got a lot worse....it would happen after 6000 rpm no matter what, so i went back to stock tune and everything was a-okay. took it to dealer about the codes but they didnt do **** for me now im hp tuned feels very strong and no more misfires wtf

 

I'm not trying to preach or anything but the car does not need anything close to 100 octane and based on the tune of the car it will not be any more responsive. Chances are you're not burning clean at higher RPMs and this could result in a misfire. 93 is perfectly fine (I just stick to 91 regardless) but 100 octane, even half a tank is excessive for the tune and compression ratio of the engine .

 

i thought it may have been a bad 3rd cyl coil pack but until it acts up again im ridin smooth ** also check your cp....if it has any leaks it can also cause misfires

 

Good point !

 

Answer to all of your questions.... A Flashing CEL mean that it is immediately damaging to the catalyst (meaning your Catalytic converter) So when that CEL flashes after a NLS(no lift shift) your CAT is being hit to hard to fast and faces potential damage. Your car goes into LIMP mode at that point to protect your CAT. If you were to hook up a Tech 2 and get it to reproduce the problem. the Tech 2 would tell you that there is Misfires GALORE. But its normal. Its just the engine protecting its parts and the CAT from being damaged. And as Perfmfried Said... dont use it a lot. Its not a 100% thing. Only use it when your beating the **** outa that HONDA. lol

 

My buddy has a Dashhawk and I plan to goto the track tonight, going to bring it with and keep an eye on Cat Temp 1 Thanks for the idea!

Edit: If you're referring to the white accord...I got that car for $150!! I then turbo'd AND tuned it for under 1500!! It was a lot of fun for awhile

 

NOO i just hate all Hondas. lol They are like the annoying creepy guy that your graduated in your class. lol

 

Some of those Honda boys take their **** too seriously. But after owning one, I can see the allure. They are cheap and easy to fix and run forever. My boosted one got boosted at 180K and made it to 240K! Not bad for a under 2K investment!

 

The only time my car has misfires is when its not up to operating temp during a NLS. The car seems to do it when its between 160-180 degrees for me. Now I wait for it to fully warm up.

 

I had this happen to me once too! I didn't NLS but I did a hard 1-2, and my car started running like crap you could feel the misfire(s). I just left my car alone for an hour. Started it up and everything seemed to be running fine again, except for my check engine light being on. I hooked up my scanner and and cleared all 5 of the codes it threw, misfire on all cylinders. About 3 days went by and my check engine light came back on after a cold start (it seems to always throw a misfire code every 2-3 months that way). Hooked up the scanner, it found just one code, cylinder 3. Cleared the code, its been over 2 weeks and no problems.

* I have took my vehicle in to the dealership a few times, and they never can detect a misfire. I guess the valves have to break in? They even put a data logger in my car for a week. And told me to drive it like I stole it lol.

 

^^^^
Holy **** those are some big tatas ...sorry way off topic!

 

All good! They got me for a min or 2 as well

 

agreed

 

mine did it about 2 months after i got it i saw a hhr ss on the high
way and nls from 2nd to 3rd to run him and it popped a flashing cel mine was cold too......