Reduced engine power warning

Need to hit a auto parts and have the codes read. I would also check your oil and coolant prior to going there.
When the computer goes into a limp home mode the ecu shuts down half of the cylinders for protection, low oil pressure or coolant. It also looks at the throttle position sensor (tps) with all the rain lately it could also be the reostate on your throttle (gas peddle), could be a bad connection or corrosion on them, or your tps connection.
Bottom line you need the code it created.
 
yup just go somewhere to pull the codes, just went into limp mode. could be caused by almost anything, my last one was egr valve but no real way to know without looking at the codes
 
There's a chance that a chunk of the cat. conv. core has broken off(inside), blocking the exhaust flow.
This. Happened to my mom's CHEVY Malibu. Luckily she was able to drive it off the interstate and get a tow truck to take her to the dealership in Roanoke Va where she had to wait for 3 days. It wasn't covered under GM's warranty
 
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