Gas Pedal Malfunction An Expert's Guide to Troubleshooting

... (no throttle control) and would not respond until I shut the ignition off. ... 1964 1/2 Mustang Indy 500 Pace Car - OEM replica, collector car toy. The accelerator pedal should operate freely, without binding, between a closed throttle, and a wide open throttle (WOT). Verify that the vehicle ... Sounds like a falsing brake switch. The TCM monitors the brake lamp circuit and won't let the car accelerate if it thinks the brake is pressed. Your car is fine, this is due to the drive by wire system . . . you will get used to it in time . . . don't worry . . . See if you can blip the throttle manually at the throttle body itself. If it doesnt move (feels jammed) dont force it. The vane inside can stick ... It could be a mass air flow sensor intermittently acting up. But it's hard to say with no codes unless you get a scan tool on it capable of ... Step 1: Consider the throttle position sensor · Step 2: Check for a clogged fuel filter · Step 3: Check for a faulty fuel pump · Step 4: Check the ... A car not accelerating properly can be caused by a number of things. It could be due to the throttle body, gas tank, spark plugs, or the ECU. It ... The gas pedal can sometimes randomly become unresponsive while driving. The car still has power and everything else works, but it will not accelerate. A bad throttle body sensor could definitely cause the problem the OP is having. The computer will think it is throttling at a different measure than the OP is ...