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Jeep Grand Cherokee
201 Posts
Discussion Starter · #1 ·
hi all

since a few days i'vethe check engine light poping up on startup

i checked the defaults codes an i have really a lot i was wodering as the car drives perfectly ....
recently it was cold outside and my bro told me there was animals near the car it can be an explanation but no cables touched as i could see

errors are P0263 ( poping up) then grey defaults ...P0046 P0340 P0471 P0674
U0103 and U404.

the U ones i know it's the electronic of the gearbox inside the car if i'm right

for the P0263 can it be du to the fact that i drove with low diesel i the tank an that now injector is dirty ??

can it be solved by adding these injector cleaner stuff??

Thanks all for help
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