yes all of the gauges jump.
Its the 2.4L engine, I replaced the O2 sensors, I installed the catch can after going to GMC because I was dumping oil/water out of the air box where the pvc hose enters, it then goes they the throttle body and into cylinder 1 or 2. The catch can works great I dump it once a week and it's almost full mostly water GMC says that's condensation and there's nothing you can do about it.
Took out the catalytic converter because GMC kept saying that it was clogged and needed to be replaced, but that ended up being the throttle body. And yes the traction control sensor light comes on and it shuts off when the gauges start jumping. The new oil cap was just a precaution in case the original PVC set up wouldn't clog and blow the main seal
Which happens quite often on these cars.
Last edited by bbrin228; 01-05-2020 at 03:13 PM.
Reason: More info