check all vacume lines and if there is no obvious leak, then get a can of brake parts cleaner and spray it on all the vacume lines where there could be a leak while the car is running and it should start to bog out.
check all vacume lines and if there is no obvious leak, then get a can of brake parts cleaner and spray it on all the vacume lines where there could be a leak while the car is running and it should start to bog out.