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I get code p0171 out of a blue feels like the car is suffocating when hitting the gas and gas consumption is down to 10 MPG.
I only changed the injectors so far and rest code. Still after a couple of miles now it came back with same error
 

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Check out this link. Note the link may note chrysler, but the tech has not worked much on chryslers. They note MAF sensor (mass air flow) but chryslers use a MAP sensor (manifold absolute pressure). The diagnostic steps are ok though. I would tend to rule out the fuel pump/pressure as it would affect both bank 1 and bank 2.


It would be very beneficial to have a scanner that will let you see the various engine parameters, for example, the short term and long term O2 sensors.

Note if you are replacing the O2 sensor use OEM/NTK only; no Bosch but Denso has been known to work.
 

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2016 Chrysler 200 S, 1998 Sebring JX
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Were you able to solve the P000B cam/crank sensor code?
Go though the Possible Causes listed in the above p0171 link one-by-one until you nail the culprit.
I wouldn't replace any more parts until you can do some diagnosis first.
 
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