recent modification was a magnaflow Muffler (canister only)
When turning right or left with peddle to the floor and tire spinning
the engine revs to about 5K RPMS and the suddenly drops to 2KRPMS
what the heck????????????????????any ideas?

 

Electronic Stability Control....

When the car senses any tire sliding sideways, the ESC will kick in

maybe thats it??

 

never did it before????? and if it is that how can I bypass it?

 

I am not sure if you can with the LT...I know on the SS you push the T/C button once, then hold for 8 seconds and it disables it...I don't remember having that feature on my 2.4l 2LT, but I don't think I checked

 

I dont have a traction control switch that I know of????

 

dustin6119 what year is you HHR?

 

2007 lt 2.4

 

I believe low gear or reverse (auto trans) will disable t/c

 

I would like to know for sure what it is??

 

From the 2007 Owners Manual(which is on this site for free)

Enhanced Traction System (ETS)
Your vehicle may have an Enhanced Traction
System (ETS) that limits wheel spin. This is
especially useful in slippery road conditions. The
system operates only if it senses that one or
both of the front wheels are spinning or beginning
to lose traction. When this happens, the system
reduces engine power and may also upshift
the transaxle to limit wheel spin. You may feel or
hear the system working, but this is normal.
A LOW TRACTION message will appear on the
Driver Information Center (DIC) when the traction
control system is actively limiting wheel spin.
Slippery road conditions may exist if this message
is displayed, so adjust your driving accordingly.
If your vehicle is in cruise control when the
Enhanced Traction System begins to limit wheel
spin, the cruise control will automatically
disengage. When road conditions allow you to
safely use it again, you may re-engage the cruise
control. See Cruise Control on page 160.
When the system is on,
this warning light will
come on to let you know
there’s a problem.
The Enhanced Traction System warning light may
come on for the following reasons:
• If you turn the system off by moving the shift
lever to LOW (L), the warning light will come on
and stay on. To turn the system back on, move
the shift lever back to a position other than
LOW (L). The warning light should go off.
• The warning light will come on when you set
your parking brake with the engine running, and
it will stay on if your parking brake does not
release fully. If the transaxle shift lever is in any
position other than LOW (L)and the warning
light stays on after your parking brake is fully
released, it means there is a problem with the
system.
• If the traction control system is affected by an
engine related problem, the system will turn off
and the warning light will come on.