It was about to cost me. I already purchased a hig flow fuel pump and was procrastinating on putting it in. This gave me a reason to install it, and started checking the spark. once that those tests were done onto to testing sensors. I finally threw my hands up and took it to a shop with the...
sc400 bog down
Found the problem. the plastic cover on the bottom of the intake tubing prior to the throttle body fell off leaving a hole open for extra air to be sucked into in the engine. which is bad for the air flow readings. sealed it off and on the move.
I drove a full day of work then went to go home and the car started, then shut right off. started it again and if i feather the throttle it will stay running but real rough; doing this i managed to get it on the highway and drove it home 30 miles. it bogged down three times during that time but...