So I was getting horrible gas mileage, like REALLY bad, and I had some stuttering and hesitation around 25-40 MPH. I replaced the mass airflow sensor, which did not give me a check engine light or a reading code from a diagnostic test. I changed it anyway. I also changed my plugs and plug wires...
Could you possibly answer a question for me? My 99 SR5 has some hesitation around 25 mph. It slows down as if im tapping the brakes. If i gas it, it stops. Only does this around 25 mph when I barely have my foot on the gas. thanks in advance.
bogging issue
Hey, I had a similar issue with the bogging down. It was my Throttle Control Sensor (TCS). Cheap and easy fix. Could also be your spark plugs or wires. Might also be your fuel pump. I have a '99 SR5. I'd check out that TCS. I had another hesitation and bogging issue and it...