06 cobalt 2.2 sc with man.trans. lack of power

Asked by Guru99KGKN Oct 14, 2020 at 09:49 AM about the 2006 Chevrolet Cobalt SS Supercharged Coupe FWD

Question type: Maintenance & Repair

Lags or hesitation. Was
intermittent  now is
constant. Has set
p0171 code and had
p0133 pending. Live
data looks for the most
part  normal . Fuel
pressure 60 psi at all
times while driving. Maf
looked low and
appeared to be
flickering watching it on
a graph. Tried a new
sensor with no change.
Can't find air leak . Tps
looking steady. Map
also looking normal. It
feels like a lag in the
super charger boost.
Belt good no noise out
of it. Changed oil in it .
Got 3.2 oz out and put
3.2 oz new back in . 1.5k
on this car and that oil
didn't look bad at all.
Still had a goldish color
.I have seen this oil
black as coal. Anyway
didn't change anything
servicing it. Still lagging

1 Answer
18,715

munron answered 4 years ago

Don't get too focused on the supercharger. They are such simple devices that work if they're turning and don't work if they're not. There's really no in between. Your problem is almost certainly going to turn out to be electronic in nature.

Mark helpful

Your Answer:

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