Very Slow Accelration on 1993 Lexus LS400

After some testing,and evualation. It was determented that both cats were bad, they have just been replaced, along with new plugs, and wires. The car has a very slow accelration. What next?

by in West Jordan, UT on March 07, 2011
1 answer
ANSWER by on March 07, 2011
Sounds like you may have other problems taking out the cats. A misfire or fuel control problem could be the cause. I would recommend you find a good diagnostic technnician in your area that can nail down the root problem. Ask your friends for referrals.