Bryant gas funace model 310aav042090aaja. Code 33. Wired around limit and it worked fine. Replaced with new limit throws code again. Vents clear. Filter clear. What next? Is it really getting too hot? Runs about 4 minutes before throwing code and cycles down about 3 minutes.

Make sure all registers are OPEN

Make sure the return air is not blocked.

Make sure the air filter is clean.