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need help!! how to fix codes po125,po170, p1400

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4CEfedGST

Probationary Member
6
0
Oct 11, 2004
Northeast, Maryland
after installing my new turbo and such about a week or two later the cel came on. tonight i plugged the code checker up and these are what came up.

po125- excessive time to enter closed loop fuel control
po170- fuel trim bank 1
p1400- manifold differential pressure sensor circuit

can anyone tell what these mean and how to fix the problem? any help would be greatly appreciated.
 
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