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Cadillac Deville 1998
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51 Posts
Discussion Starter #1
Hi guys ! I just came back from a road trip and the light "Service engine soon" suddenly appeared. Back at home, I checked which code came out (thanks to you guys for telling me how!) and it was P046 which means : Right to Left Bank Fueling Difference

Do you have any idea what it could be ?!
Thanks again for your help !!

Peace !!
 

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That is one code that is hard to pinpoint. It could be anything from a vacuum leak to a bad O2 sensor, to a clogged injector. You'll need a scan tool and a decent mechanic, if a close visual inspection doesn't reveal anything out of the ordinary.
 

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Cadillac Deville 1998
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51 Posts
Discussion Starter #3
Hmmm thats means some troubles ahead ! Thanks a lot for your help !!


Peace !!
 

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'93 Eldorado
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25 Posts
Dieslow said:
Hi guys ! I just came back from a road trip and the light "Service engine soon" suddenly appeared. Back at home, I checked which code came out (thanks to you guys for telling me how!) and it was P046 which means : Right to Left Bank Fueling Difference

Do you have any idea what it could be ?!
Thanks again for your help !!

Peace !!
Did you ever find out what was causing this?
 
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