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Hi all, Complete new user so have little experience of RC at all. I have a Maverick Blackout XB (buggy) which has had a few teething difficulties. The throttle servo broke within 10 minutes of first use so this has been replaced by the shop. Then the muffler came loose - losing a bolt and the gasket. I have replaced what was necessary (and cleaned up the vehicle and cover too - this was covered in oil and stuff from the exhaust). So the problem I have now is that the buggy throttle is a little open on when I start the engine. I have tried using the trim but that isn't enough. So then I attempted to take off the servo arm when the power to both buggy and Tx were on and re-align the arm in a 'neutral' position but somehow whenever I re-start the engine the servo seems to know I have tried to make a change and it leans the arm 'forward' a bit so the throttle is open a little - and the car creeps forward. It is back in the garage right now because I am not sure it will be doing the servos/brakes/car any good for it to be always chomping at the bit. Additionally I am concerned that if there is a loss of communications and the brakes fail then the car is just going to shoot off into the sunset. Is there a guide on here to explain how to set the throttle so that it doesn't race all the time? I have read about altering the pins etc but haven't touched them - and in any case it seems to be the throttle arm itself and not the carb settings. (I did wonder if it was due to the back pressure from the muffler/tailpipe but these are all standard - and fitted - so can't think it is this). Any advice please? Finally, please make any answers simple for a newb to understand. ;-) Thanks, Martyn.