Power Hungry Performance Forum

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- 1994½ to 1997 7.3L Power Stroke Diesel (http://forum.gopowerhungry.com/forum/forumdisplay.php?f=26)

- - CEL (http://forum.gopowerhungry.com/forum/showthread.php?t=3173)

ChuckD

Fri, February 12th, 2010 09:26 AM

CEL

When you turn to KOEO how long is the CEL supposed to stay on. Mine just comes on and right off real quick. I am getting codes P0344 and P0236 so I got some work to do this weekend.

Power Hungry

Fri, February 12th, 2010 09:35 AM

It really depends on the processor. OBS trucks will usually blink and then go right out while newer trucks will blink, stay on a few seconds, and then go out. As long as the light blinks when turning the key on (and by blink, I mean a really fast single blink), everything should be cool. If it doesn't come on at all or comes on solid (no blink) then there's a PCM issue or chip connection issue.

ChuckD

Fri, February 12th, 2010 09:44 AM

Yeah its a really fast single blink. I just noticed a differance because in the Expy it stays on for a second then goes out. Thanks Bill.

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