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scotty
Dodge Dakota
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12/15/2011
22:34:15

Subject: engine light
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Message:
my cad was replaced less then 1 year ago.
my light is back on after getting turned off.
what else can cause the light to keep coming on??





daddio
Dodge Dakota
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12/16/2011
07:11:03

RE: engine light
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Many reasons why the CEL can be lit. It will continue to stay on until your correct the problem. A little info about the vehicle in question would allow us to help you.

By the way, what is a "cad"?



Bob Lincoln
Dodge Dakota
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12/16/2011
08:12:13

RE: engine light
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CAD = Computer Aided Design. I don't know of any Dakota that comes with such software.

Check fault codes: http://www.allpar.com/fix/codes/index.html



scotty
Dodge Dakota
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12/16/2011
08:51:52

RE: engine light
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sorry its a 99 3.9 4x4 and my spelling sucks..
cadalick conveter.
i will go and get it read and see what the code say this time..
thanks you guys



scotty
Dodge Dakota
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12/17/2011
00:15:21

RE: engine light
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Catalytic Converter is less then a 1 year old

went to autozone and
Catalyst efficiency low bank 1

explanation
the oxygen sensors monitor the catalytic converters ability to store oxygen

probable causes
1 catalytic converter defective (failure possibly due to #2,3 or 4
2 engine misfire or running condition
3 large vacuum leak
4 engine oil leakage into exhaust-value guile seals, piston rings



daddio
Dodge Dakota
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12/17/2011
09:59:51

RE: engine light
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Are you using any oil inbetween oil changes?



scotty
Dodge Dakota
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12/17/2011
11:14:57

RE: engine light
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no extra oil...and truck would be running rough oif i had vacuum leak yes/no??
thank you



scotty
Dodge Dakota
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12/17/2011
16:18:43

RE: engine light
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narrowed to problem down,went to DEQ code 420 converter.
took to place who replaced converter and they said air/gas mixture was off.
one said 1.5 and the other 2.5 not sure which was air or gas.
they said one of them should read 0 or neg so its off.

99 club cab,3.9 liter 4x4 truck i have



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