PA inspection and tuning questions

tlundjr · October 30, 2015, 10:30:27 AM

Could the plugs themselves be the issue? Also been noticing uneven acceleration...

FoMoCoSHO · October 30, 2015, 10:53:48 AM

Quote from: tlundjr on October 30, 2015, 10:30:27 AM
Could the plugs themselves be the issue? Also been noticing uneven acceleration...

If you are having misfires that can make it feel like the tranny is jerky.

66 Galaxie · October 30, 2015, 05:14:07 PM

And if it is the plugs misfiring the jerking sensation will be most pronounced in high gear and low rpms.

ZSHO · October 30, 2015, 05:19:34 PM

I think your best option would be a dealer visit especially still having warranty,probably need the tech to perform a (power balance)with IDS software to find out exactly which cylinder is misfiring and proceed from there. Z

tlundjr · November 04, 2015, 11:18:11 AM

Would the NGK plugs cause an issue with the warranty since used them to replace the stock ones? I replaced the thermostat too, could I get dinged for that as well?

CroR1 · November 04, 2015, 11:24:57 AM

did this misfire stated happening right after the tune, or down the road?

SHOdded · November 04, 2015, 12:01:28 PM

NGK plugs should be fine. They are generally looking for MAJOR componentry when denying warranty. Bad plugs can happen anywhere anytime. Not like you used an off brand or something like E3 or Splitfire ...

tlundjr · November 04, 2015, 03:08:56 PM

Quote from: CroR1 on November 04, 2015, 11:24:57 AM
did this misfire stated happening right after the tune, or down the road?

It started happening right after the tune, stock it is fine.

CroR1 · November 04, 2015, 03:22:41 PM

Double check all the steps when placing new plugs in, making sure that all is connected what you had removed, and if it still persist, get in touch with your tuner.

ZSHO · November 04, 2015, 04:26:20 PM

Does your remote start work??? Z

tlundjr · November 04, 2015, 04:30:03 PM

Quote from: CroR1 on November 04, 2015, 03:22:41 PM
Double check all the steps when placing new plugs in, making sure that all is connected what you had removed, and if it still persist, get in touch with your tuner.

I have quadruple checked everything and the tuner is at a loss as well.

Z- Yes my remote start works, I can 100% of the time get the issue to happen at 1500 RPM in any gear or speed. Sometimes I do have a rough idle upon starting though.

SHOdded · November 04, 2015, 04:47:10 PM

I'd be looking at fuel injector or valve cover leak issues more likely than plugs TBH.

ZSHO · November 04, 2015, 04:58:31 PM

I agree with SHOdded,it sounds like the fuel is being cut off in order to protect the cats,very crucial to check for codes everyday. Z

tlundjr · November 04, 2015, 11:40:58 PM

Can there be codes when there isn't a CEL? I did have to have the fuel pump replaced already. Could that have something to do with it? Could it be because when its tuned it is requiring more fuel coming from the injectors, which is causing the issue?? Is the injector cleaner from autozone even worth trying?

FoMoCoSHO · November 04, 2015, 11:53:44 PM

Do you have any datalogs from when it acted up?