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If you have changed the plugs on a 2001 Ford F-150 5.4 and there is still a sputter should you change the ignition coils?
Wiki User
∙ 14y ago
Don't bother with the coil if the computer isn't complaining. A faulty coil will cause the computer to throw a code and you'll know all about it.
If you don't have a code reader you can probably borrow one at a local auto parts store.
That isn't the case at all. We had 4 coil packs bad on our 2003, packs 1 & 5 were down 30% power when cold and 2 & 4 were down 30% when hot. No computer codes at all. Changed them out along with all 8 plugs and the truck is now running great!
Wiki User
∙ 14y ago
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Should all ignition coils be changed at once?
No, only change the defective ones.
Will a bad ignition coil cause a car to sputter?
Ignition misfires and "sputtering" can be caused by any number of system failures such as air/fuel, ignition and even emissions/exhaust. A failing ignition coil, control module, plug wire and plug are often components that should be examined when diagnosing such misfires.
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you have to go under the dash and take out the steering column. and the ignition switch should have a wire going down to the bottom of the column coming from the ignition lock.
What is cause of 1994 Fore E150 with 5.0L engine when it boggs down after having changed the fuel pump filter and ignition module. Also did major tune and replaced the pcm.?
1) Check for ignition problem. If you have a distributor, pay special attention to distibutar pickup and also ignition wires. 2) Check the TPS. Voltage should change smoothly as you move the throttle.
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