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Old 23-08-2007, 10:03 PM   #1
josh_hartman
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Default Shudder problem

Not long ago i got a set of pacemaker extracors and now sometimes when the car idles it runs really rough and when accelerate slowly it shudders. i changed the spark plugs and that didnt help. put injector cleaner in too and still nothing. any thoughts?

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Old 23-08-2007, 10:41 PM   #2
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O2 sensor maybe. You can get Bosch ones for around $70 from ebay, repco etc. Much cheaper than the $360 odd ford want for a genuine one (trade price, too).
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Old 24-08-2007, 08:01 AM   #3
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Are your spark plugs are pitch black? :
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Old 24-08-2007, 08:22 PM   #4
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I've had the same problem too. Only when reversing, the car shudders and feels like it looses power, then starts to reverse again. There are O2 sensors on eBay for $55, check them out here. http://cgi.ebay.com.au/ws/eBayISAPI....MEWA:IT&ih=002
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