Took out the catalytic converter and that did not fix the problem and I found some chewed up wires where a mouse got under my hood and fixed those and that fixed my power locks and back windshield wiper but not the sputtering. So I had my mechanic buddy come by with his computer and did some...
Sparks plugs
Just changed spark plugs and wire set and still having same problem with bogging down. So I looked at the engine while my buddy pushed the gas and I could see little bit of smoke coming out the catalytic converter. So that might be the problem it might be clogged
Another thing I might add is I don't drive it as much as I did a year n half ago since I got a company van I probably only drive it on weekends ands maybe twice during the week sometimes more
First about my car: 2002 4Runner SR5 3.4L V6 4WD with 186,608 miles on it. I bought it little over 3 years ago with 148,475 miles on it and just paid it off. It's had one owner before me and car fax was good. He replaced fuel pressure sensor, and in 2010 he changed the thermostat, spark plugs...
Mine is a 02 4Runner 3.4 4wd never had this problem before but when I did buy the car 3 years ago it did have the check engine light on with the vcs light on but checked and nobody said it was a concern