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'03 missing bad - diagnostic codes?

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Old Aug 5, 2008 | 08:56 AM
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cwalker1
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Default '03 missing bad - diagnostic codes?

Have an ’03 ultra that starting missing and losing power this weekend after a short ride.&nbsp\\; The further I went, the worse it got.&nbsp\\; I got back home, but with very little power.&nbsp\\; The check engine light will come on when the popping is occurring but it goes back off at idle.&nbsp\\; After start-up, engine light is telling me there is a historical problem but not a current problem. &nbsp\\;
&nbsp\\;
I found the link on the forum here on how to check codes on an ’03 by jumping across terminals 1 &amp\\; 2 of the diagnostic plug under the right side cover, but I’m not getting any codes to flash.&nbsp\\; Is it right to get no codes at all?&nbsp\\;
&nbsp\\;
BTW the missing started after fueling up, so I drained the tank and put fresh gas in.&nbsp\\; I let it run in the shop for 10-15 minutes to let any old fuel get out of the pump and it ran fine.&nbsp\\; But when I shut it off to back it out for a road test and restarted it, the problem came back.&nbsp\\; I have the basic service manual and just ordered the electrical manual yesterday.&nbsp\\; Any thoughts on the codes or potential culprits?
&nbsp\\;
Thanks
 
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