Shakes

Asked by Meleyna Jan 31, 2019 at 02:12 PM about the 2005 Chevrolet Trailblazer LS RWD

Question type: Maintenance & Repair

My car had bad shake and low power when driving
took a while to get into gear code I got was p0304
so replaced on coil plug but car shakes still not as
loud and rough as before and I have better power
now coming to a stop vehicle idles low sounding
as if wanting to turn off when parked with engine
on when turning on ac rpm idles little over 1 and
back down which is not normal sound what do I do

1 Answer
11,605

FJ4072 answered 5 years ago

$9 fix if you do it yourself. Remove fuses #10 and #28 under the hood. Remove the throttle body, 4 bolts and disconnect electrical connector on top. Clean it with a toothbrush and rag only, no wire brushes. Use a sensor safe spray or solution like Seafoam to clean it. This will solve your problem of rough idle when AC or defroster is on. Very common problem on our platform.

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