So its a 1999 towncar and seems to shake even more when the ac is on. Other than that it seems to have no pick-up at times, will take a minute for it to change speeds. Now here is what was done last weekend, runs smoother but still shaking, What could it be?
Things done
2 months ago
130 amp alternator for sound system
Last week
oil change
oil filter change
air filter changed
fuel filter changed
spark plugs changed
fuel injector cleaner added to gasLincoln towncar shaking?Change the spark plug wires. You have symptoms of an ignition misfire.