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Dan
Dan, Technician
Category: Chrysler
Satisfied Customers: 23590
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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I have a P0172 code. System too, Bank 1. How do I fix this

Customer Question

I have a P0172 code. System too rich, Bank 1. How do I fix this problem ??
Submitted: 1 year ago.
Category: Chrysler
Expert:  Dan replied 1 year ago.

Hello, my name is***** year, model, make, and engine size of vehicle? Has anything been replaced yet? Thanks.

Customer: replied 1 year ago.
2002 Chrysler Town and Country with a 3.3 liter
Expert:  Dan replied 1 year ago.

How does vehicle run? Has anything been replaced yet? Thanks.

Customer: replied 1 year ago.
It has quite a skip and we have changed fuel pump, TPS, all the injectors and fuel rail, spark plugs, coil pack, IAC,
Customer: replied 1 year ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Dan replied 1 year ago.

Does live misfire data show more misfires on a specific cylinder then others?

Customer: replied 1 year ago.
I does not have a misfire code at all... the only code is P0172
Expert:  Dan replied 1 year ago.

There are a few things that can cause this code. The common causes are map sensor, bank 2 oxygen sensor, or shorted injector wiring. You can monitor oxygen sensor reading to see if sensor seems to be stuck at a specific voltage without changing, if so replace. If good then unplug PCM to see if any of the injector wiring is shorted together, if so check those wires or run new wires. If all is good up to this point replace the map sensor. Here is a wiring diagram of the injectors, let me know how it goes or if you have more questions. Thanks.

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https://www.dropbox.com/s/n5s3pbpolvtoh3o/inje.PNG?dl=0

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