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Old 12-21-2011, 05:16 PM   #1
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Check engine light

Hi! I just bought a Gulfstream conquest 94 and after driving a bit with it one of the exhaust hoses or rather a t junction holding them together melted in the engine. We replaced it and one of the hoses burst instead. We replaced it and it seems to hold but now and again the check engine light comes on. The engine is not over heated, all fluids ok, but it seems the exhaust part is running too warm. We think it might be the O2 sensor that needs changing. Anyone encounterd that or has any idea if this might be it?
We also have a problem with the battery switching on after turning off the engine and have had to leave the key in the ignition. Could it be so simple that we need a new battery?

Thanks for any suggestions.

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Old 12-21-2011, 06:46 PM   #2
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If this helps the Check Engine Light is basically emission control related.

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Old 12-21-2011, 09:45 PM   #3
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If its a Ford you can pull codes yourself with just a paper clip. I've been doing it for many years. You can go to oldfuelinjection dot com and see how to do it and get a list of 2 and 3 digit codes. I keep a copy of both(2 and 3 digit codes) in my garage and have another to keep in the MH when traveling. Hope this helps.
Bob Kulhanek 1995, 29 ft, Coachman Leprechaun, Ford E-350, EFI 460, 4.0 Onan Gen

If it won't budge, hit it harder or get a bigger hammer.
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Old 12-30-2011, 08:22 AM   #4
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Thanks. I went ahead and got it serviced at a Ford mechanics. They exchanged the o2 sensor and some exhaust pipes. We're hoping for better mpg now. However a while after we left the shop (no way to go back) we discovered a rattling sound that hadn't been there before. We opened the engine and there was a hose to the air intake that was loose on the other end. We have no idea where to connect it. Weird how a big Ford dealer would leave stuff like that...
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