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Old 09-27-2010, 04:12 PM   #1
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Default service engine light?

service engine light came on after I opened the hood... I've heard of this problem, easy fix? or I stare at it forever?
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Old 09-27-2010, 04:18 PM   #2
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If it were me, I'd stare at it.

If you don't feel like doing this you can try removing the battery cables for a min or two and then putting them back on. This should clear your codes, and the SES/CEL.
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Old 09-28-2010, 09:55 AM   #3
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Thanks Gee!
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Old 09-28-2010, 10:51 AM   #4
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that service light is on for a reason. dont ignore it.
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Old 09-28-2010, 11:29 AM   #5
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Quote:
Originally Posted by RoyalXJ View Post
that service light is on for a reason. dont ignore it.
OP said it happened after he opened the hood.

If it comes back, then I'd be concerned. But if nothing has changed except him opening the hood, it could be just a fluke.

Any parts store should be able to pull the code and tell you what is wrong.
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Old 09-28-2010, 12:13 PM   #6
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Quote:
Originally Posted by Gee oh Dee View Post
OP said it happened after he opened the hood.

If it comes back, then I'd be concerned. But if nothing has changed except him opening the hood, it could be just a fluke.

Any parts store should be able to pull the code and tell you what is wrong.


opening your hood has nothing to do with your cel
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Old 09-28-2010, 12:16 PM   #7
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Quote:
Originally Posted by RoyalXJ View Post
opening your hood has nothing to do with your cel
Exactly. That is why I wouldn't be concerned unless it comes back.

CEL (or service engine soon, whichever it is we're talking about) popped on my fiance's 98 TJ, showed 3 codes. All were garbage, and meant nothing. Cleared the codes, and still haven't seen anything. No issues at all, not even another CEL.

Sometimes CEL's pop for no good reason.
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Old 09-28-2010, 12:21 PM   #8
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Quote:
Originally Posted by Gee oh Dee View Post
Exactly. That is why I wouldn't be concerned unless it comes back.

CEL (or service engine soon, whichever it is we're talking about) popped on my fiance's 98 TJ, showed 3 codes. All were garbage, and meant nothing. Cleared the codes, and still haven't seen anything. No issues at all, not even another CEL.

Sometimes CEL's pop for no good reason.


lol if you say so man
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Old 09-28-2010, 12:23 PM   #9
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sometimes when to cel comes on it may not run any different to you but it is usually an emissions issue that pollutes the environment
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Old 09-28-2010, 12:24 PM   #10
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Its not just me saying it, its fact. My buddie used his scan tool in front of my fiance and me, cleared the codes, and they haven't popped again. And its been well over 2 months.

One was an EVAP code, and I can't remember the others.

Clearing them once isn't gonna hurt anything, esp since you can trip a CEL by, for example, not having your gas cap tight. Or having a loose wire on TONS of things.

If it pops again, then you know something needs to be adressed.

Now if your CEL pops and the truck is running like ****, burning through gas like its a top fuel drag car, then yes, get the codes run and figure out whats wrong.

Last edited by Gee oh Dee; 09-28-2010 at 12:26 PM.
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Old 09-28-2010, 12:40 PM   #11
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I would at least read the error code before resetting. I can get the codes from my '99 by holding the trip odometer button while turning the key on, then off. The code shows in the mileage window, and you should be looking at it the whole time so you don't miss it. Mine read "2.3" meaning an air intake temperature sensor.
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Old 09-28-2010, 12:40 PM   #12
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Forgot to mention, someone here has a list of what the codes mean. You can find it if you search for it.
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Old 09-28-2010, 01:03 PM   #13
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Like I said, a quick trip to the parts store and you'll have your codes for sure, and for free. No missing a code and redoing your work.
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Old 09-29-2010, 12:30 PM   #14
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plus the auto parts store will read it for free
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Old 09-29-2010, 01:06 PM   #15
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yes take it to an auto store and they do it for free
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