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Old 08-25-2011, 01:47 AM   #1 (permalink)
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OBD II Scanner tool

I've unplugged the dreaded DPF killing EGR valve, but now the CEL light is on all the time. I've heard that certain code readers can also turn the CEL off, but that the CEL will soon come back on again...

Short of plugging-back in again the EGR harness, is there a scanner that will keep the CEL light off with the EGR unplugged??

If so, I have no idea which scanner to buy...

Thanks,

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Old 08-25-2011, 02:04 AM   #2 (permalink)
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Any scanner should, with ignition in the run position engine off, clear codes and then start, but do you really want to do that every time you start the truck? Not to mention it might mask a real fault from triggering the CEL.
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Old 08-25-2011, 11:11 AM   #3 (permalink)
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Maybe I should have shortened my question...I'll try again...

"Short of plugging-back in again the EGR harness, is there a scanner that will keep the CEL light off with the EGR unplugged??

If so, I have no idea which scanner to buy"...
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Old 08-25-2011, 11:15 AM   #4 (permalink)
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Let me break it down for you, NO.

My previous post was telling you how to do it with the egr unplugged.
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Old 08-25-2011, 12:15 PM   #5 (permalink)
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Ok, sounds like I'll have to live with having the CEL light constantly on...So I'll likely have to buy a chepo scanner just to occasionally check for other CEL alerts...

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Old 08-25-2011, 06:50 PM   #6 (permalink)
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If you are just wanting to read the codes, you can do that with just the ignition key.
Turn the ignition on (without starting the engine) and off three times quickly (leaving it on the last time) and write down the numbers that scroll across where your odometer is. You can then use this forum to find out what the codes stand for.
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Old 08-25-2011, 09:01 PM   #7 (permalink)
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Thanks for the good tip...Sounds like for my purposes the way to go... Seems theres no real sense for a scanner since it won't permanately shut off the EGR CEL alert...
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Old 08-25-2011, 11:55 PM   #8 (permalink)
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Quote:
Originally Posted by bunkysdad View Post
Ok, sounds like I'll have to live with having the CEL light constantly on...So I'll likely have to buy a chepo scanner just to occasionally check for other CEL alerts...

Thanks,

bunkysdad
That's correct my cel and I have been good friends for 40,000 miles.You can do code checks using the key method and your odometer,look it up.
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