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Old 09-03-2012, 10:17 AM
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Grand Cherokee laredo 4x4 laredo with P2096

hi everyone,

please pelp me out
what do i have to replace?

the engine sign come up 2 days ago,

scaned the code:
P2096 post catalyst fuel trim system too lean Bank 1

what does that mean?

after the driver side cat slow fuel trim?
what fuel trim? why does fuel has to exist after the engine burned fuel ?

i dont get it

some have replaced all 4 o2 sensors, exhaust and the code came again.

the problem is
if there came p0420 & P0430, means bad cat or exhaust leak
p0137 and so on would be the o2 sensors

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