buzlink

Well I've been trying to troubleshoot a bogging and idling problem for a week now. At first I thought the O2 sensor was going out, but that is not the problem as it has been replaced and the problem is still occurring.

The car bogs and acts as if it doesn't want to run, and under load will misfire, for example in second gear while accelerating, and going up a steep hill at 70MPH in 5Th gear. These symptoms usually only happen after driving for at least 20-30 minutes and the outside temperature must be 50 degrees F or above. Any degrees less either causes the problem to happen after a longer amount of time or if it is 40 degrees F or colder the problem seems to not to occur.
The problem will go away if the car sits for at least 2 hours and then will have the above happen depending how long the car is driven and the conditions outside.
The car will start up fine even have the probelm has occured.

ECU is showing Code 43 if I'm reading the blinks correctly.
The O2 sensor has been replaced with a Bosch O2 sensor.
I am still having the problem.
How do I begin trouble shooting other problems of a ECU code 43 Fuel Supply?

all_conference

You need to buy new spark plug wires. Just go to autozone or checkers and get yourself some 50 dollar life-time warranty wires and you will be good to go. I also made this same mistake of buying a new o2 sensor because the CEL code i got at random times showed up as o2 sensor being the problem. Yes, my car also did bog after it being warmed up. I drove like this for 6 months before a friend that i picked up said, its your wires. I was pist as hell, but glad that my car is fixed now.