my 2007 lincoln is slightly jerking and acts like it does not want to take the gas, i have used gas treatments and changed the spark plugs, it starts shaking sometime around about 45MPH, i think it is getting worst. someone please let me know something ASAP
After changing the spark plugs in a 2007 lincoln town car, what else could cause it to jerk and hesitate?
You need to put it on a scanner and read the trouble code OK, something smells here. People with 2 year old Town Cars aren't changing spark plugs and asking Yahoo Answers about a car that is almost certainly still under factory warranty. Spark plugs are good for 100,000 miles now.. So is it really a 97? or you stole it and cannot take it in for warranty work? What is your story Joe?
After changing the spark plugs in a 2007 lincoln town car, what else could cause it to jerk and hesitate?
I think the '07's should've had individual ignition coils. One of those could have gone bad. Otherwise, assuming the check engine light isn't on, you probably have a vacuum leak. Start the engine and raise the hood. Listen for a hissing sound. Also try diagnosing by clamping down on vacuum lines with pliers while the engine is running and see if that makes a difference. You won't need brakes, cruise control, or an HVAC system when the car is parked, but you'll need to make sure the EGR valve opens when the engine gets to operating temp, and you should inspect the fuel vapor vent hose as well, which also opens when the engine is warm.
Bad fuel filter, bad fuel injectors, bad fuel pump, bad ECM, bad ignition wires, bad distributor cap, bad rotor, bad mass air flow sensor and many more things. Better let a mechanic take over Rover!
