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Old 06-04-2011, 02:53 PM   #1
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"Serivce Engine Soon" Light

I have a 2000 fleetwood bounder with triton V-10 engine. While starting it one time over the winter, the "Service Engine Soon" light came on.
At the same time, the overdrive light was blinking but when I put it in gear the light went off and the overdrive has been working fine ever since. I figured that the blinking overdrive light was the result the cold New England winter we had this past year. However, the "Service Enginer Soon" is still on. The engine is running fine and is performing as normal. Is there anyway to determine what the fault is without a diagnostic tool? Has anyone had this problem?

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Old 06-04-2011, 03:15 PM   #2
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There are so many warning lights on vehicles now. The Check Engine light, the Service Engine Soon light, etc and each one mean something different. The most common one I've run into is a loose or worn out gas cap.

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Old 06-04-2011, 04:23 PM   #3
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In the past I have had AutoZone read the codes (free) in our vehicles. They may read the codes in your RV. I finally purchased one from them. I think NAPA also reads them for free.

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Old 06-05-2011, 03:57 AM   #4
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Originally Posted by ploiselle View Post
In the past I have had AutoZone read the codes (free) in our vehicles. They may read the codes in your RV. I finally purchased one from them. I think NAPA also reads them for free.

Ditto, They won't erase the codes but if you hold it (reader) for a minute you can erase codes and then see if they come back..to verify there presents...its free
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Old 06-05-2011, 04:15 AM   #5
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Check out all your fuses that are for the engine/cab. You might be find the culprit is just a blown fuse.
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Old 06-05-2011, 08:48 AM   #6
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"Service Soon" means just that. The problem is not critical, but it does requite a repair (service). Many emissions control problems fall into that category. There should be a stored code that gives further information and your chassis manual may tell you how you can read the code yourself via blinking dash lights. Or go to a store as others have suggested.
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Old 06-05-2011, 09:01 AM   #7
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Take it to someone that knows what there doing. AutoZone has parts people not techs, there in the business to sell parts not to fix your car. If they read a code that says O2 sensor reading low, they will sell you a O2 sensor. Remember it said it was reading low so fix the reason it's reading low, the O2 sensor is doing it's job. But all they see is O2 sensor so thats what they sell you.
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Old 06-07-2011, 06:14 AM   #8
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Service engine light could be as simple as due an oil change -- on my Workhorse, there's a method to turn it off - I think turn the key on, depress the accelerator three times and then turn the key off. Could also be emissions problem. My experience has been is if it's not running rough, it's minor like emissions or the light needs re-set. The last Ford I had that was running rough required a new coil assembly - had that one taken to a mechanic who did the computer check and determined the problem.

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