It is a 6-digit number assigned by MasterCard to each acquirer. If a merchant has different acquirers for Authorization versus Settlement, the merchant will have a separate ICA for each one. SIGIS is only collecting the Authorization Acquirer ICA at this time.
Sometimes a shake or shudder will emanate from the engine compartment, because the engine isn't getting enough air, fuel or spark that it needs to run smoothly. Symptoms that might indicate such an engine-related case of the shakes include the following: 1  Shudder or jerking occurs during acceleration. 2  Staccato shaking, as if over a highway rumble strip, within a specific speed range. 3  Car starts and drives fine for a while, but later begins to shake.
If your steering wheel vibrates when you accelerate, then itâs likely that thereâs a problem in the suspension or the tires. This could mean that the wheel bolts are loose or the tires are worn unevenly. You should test to make sure none of the wheels are loose by shaking each wheel while the car is parked.