XJ6 & XJ12 Series I, II & III 1968-1992

engine light on and car sputtering in idel

Old 03-18-2009, 08:43 PM
Join Date: Mar 2008
Location: Powell, Ohio U.S.A. 43065
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You need to have a scanner hooked up to your car to retrieve the fault codes now stored in your car's computer. Some auto parts stores have a scanner that will be sufficient to provide you with this information.

The most likely cause for this fault is a failed ignition coil, there are six on your engine. If that is the case, a code should be stored that will identify which cylinder has the bad coil. Send me a private message if you need one at a good price.

Otherwise, post the code numbers that are retrieved when the computer is scanned, and the picture will be a bit more clear.
Old 03-18-2009, 09:37 PM
Join Date: Mar 2009
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you could hurt the catalyst if u drive it
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