I was like pulling in the 2nd gear tonight when I felt like the car suddenly bogged and then just kept on groing(rpm wise). It happend before hitting Rev. This is like the second time that this happend to me in like a week. Don't know if it's the spark plugs, but they're not even a month old..

Plz let me know if you guys have any ideas Thx.

 

spark plugs are not gaped right / not right temp for your set up

 

maybe but I've changed my sparkplugs more then a month ago and I had no problem up until this past sunday that i misfired for the first time...

 

could be bad injector, thats what was wrong with mine when it was missing up top

 

hmm that can be an option as well. but ussualy when it's the injector it should miss in every gear right?

 

thats my problem ill miss 6 times in one pull

 

well mine did it at about 55 mph in 2nd and about 85-90 in third

 

ok ok.. Mine does it at about 55mph as well. But how did you get it fixed?

 

got a new 42lb injector, you couldnt really notice it in first since it went so fast so try it out in third and see what happens

 

yeah I'll try it out and see what happens. But the wierd part is that it doesn't happen that often. Cause I've been driving the car this whole week without any problems.

That really sucks man!!

 

can you be more specific about your mods, what kind of plugs, what the gap is, and under what conditions it's missing?

 

+1 for it being the plugs more then likely. What plugs are you currently running and at what gap? Also a list of your mods would help as d4u2s0t said.

 

your gap should be 0.04" 1.0mm

 

from my expereience, all the cobalts are a lil d ifferent in terms of what the best gap is. plus, it's different between all model years.

 

Well I have a 06 SS/SC I have a GM Stage2 with 3.0 pulley and I'm currently running on NGK BKR7E but I didn't gap them at all.

 

You have the GM stage 2 pulley, or you have a true 3.0 pulley? If you have a stage 2 pulley then you really don't need colder plugs. If it is an aftermarket 3.0" pulley then colder plugs are ok.

BKR7E are gapped .035 from the factory. You should probably be around .038 ~ .040 with Stage 2.

 

Ok I'll have to gap them and see what happens

 

If you got the stock plugs put those back in and run it. I had the same thing with my BRK's and I think it was because I had taken them out and put them back in over the seasons that wore out the seal ring.Stock plugs have not done it for me yet.