I have a 2010 Equinox.- Transmission or Catalytic converter?

Asked by Sep 11, 2016 at 10:20 AM about the 2010 Chevrolet Equinox LTZ AWD

Question type: Maintenance & Repair

Every since I bought this car 6  months ago, it has been one headache after another.  The most important one is I have brought the car in to the dealer to whom I purchase it from and to the Chevrolet dealer complaining about performance issues.  It is sluggish, and jerks alttle,  both places have said, there is nothing wrong with it.  Today I received a letter from Chevrolet Headquarters,, stating a catalytic converter malfunction on these cars.  Would this malfunction imitate what I thought  is a transmission problem?  The jerking around and  feels like it isn't accelerating?

1 Answer

67,495

Have the dealer perform an exhaust system back pressure test. They'll remove the upstream oxygen sensor and install a pressure gauge in the oxygen sensor hole. With the engine running they'll see if you have a clogged catalytic converter if the exhaust system back pressure is excessive. If that's what is going on, since you're out of warranty, go to a reputable muffler shop and get a universal catalytic converter as a replacement. They're much cheaper but just as good. I've had a universal converter on my '00 Grand Prix since December of 2013 with no issues. Now if the notice you got from Chevrolet is a RECALL notice, take it with you to the dealer and let them give you a new catalytic converter for free. HTH. -Jim

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