rpm drops

**darkhorizon** · 08-08-2011

Originally Posted by bluegtp91

It's probably doing that BECAUSE of the o2 simulator. The '01+ cars NEED a rear o2. Toss yours back in and see if that fixes the issue...you will have to deal with the codes too...but if you have access to a tuner, just have them set to no report.

Nope, nope, and uh nope.

You cant delete the codes... it will still run the cat test 3 times per drive cycle.

The ONLY issue from running no 02 is the fact that you will get a fuel dump under specific cruise only situations.

Under no situation is a o2 sensor going to cause issues like described.

For the OP.... The issue sounds spark related... but you are being fairly vauge for a diagnosis on spark stuff.

**PhunnyJesta** · 08-08-2011

Originally Posted by darkhorizon

Nope, nope, and uh nope.

You cant delete the codes... it will still run the cat test 3 times per drive cycle.

The ONLY issue from running no 02 is the fact that you will get a fuel dump under specific cruise only situations.

Under no situation is a o2 sensor going to cause issues like described.

For the OP.... The issue sounds spark related... but you are being fairly vauge for a diagnosis on spark stuff.

The rpm drops still occured when I had the o2 sensor in, I thought the drops might have been related to the codes being thrown but it didnt help at all

I have TR6s on now and I think it might too high of heat range for my build, I was gonna go out and get some T55s tonight to see if that helps any

**darkhorizon** · 08-08-2011

Originally Posted by PhunnyJesta

The rpm drops still occured when I had the o2 sensor in, I thought the drops might have been related to the codes being thrown but it didnt help at all

I have TR6s on now and I think it might too high of heat range for my build, I was gonna go out and get some T55s tonight to see if that helps any

Try regapping the ones you have in there to like .060

**blueguy** · 08-08-2011

Also...if he is missing...why would be pull the gap OUT more. I'd close it...to .050" that way he has LESS chance of a misfire under load. Also...to hell with NGK's...TR6's are a cold plug...get some AL104's...gap them at .050" to start...if it cures your issue then there you go. Are your wires any good? When was the last time they were replaced? How do your coil terminals look? You can sand them down with some 2000 grit and put some dielectric grease on them to rule that out as well...auto parts stores test ICM's for free too...when your cleaning the coils...see if thats on its way out as well.

Originally Posted by darkhorizon

Nope, nope, and uh nope.

You cant delete the codes... it will still run the cat test 3 times per drive cycle.

The ONLY issue from running no 02 is the fact that you will get a fuel dump under specific cruise only situations.

Under no situation is a o2 sensor going to cause issues like described.

For the OP.... The issue sounds spark related... but you are being fairly vauge for a diagnosis on spark stuff.

Only giving my 2 cents because I experienced the same thing and it was a over fueling and flooding out issue...the rear o2 going back in from running a sim, fixed it. I did nothing else.

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