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4421 code, car is stalling and idles rough

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Old 01-17-2007, 09:11 AM
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Default 4421 code, car is stalling and idles rough
code is for cyl #5 right?
ignition coil?
POS?(one died on me last month, i just swapped a channel, it was the same cyl#5)
i will change the POS units with some i just picked up a while ago,and swap the coil as well(i have 9 spares)
Any other suggestions?
thanks!
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Old 01-17-2007, 02:55 PM
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Default Not sure what the code is for but if I STFA I bet I could find it. However...
...there are no codes for POS or coil pack failures in the urS.
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