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P0172 Diagnostic Trouble Code Discussion for May 2006

Fuel System Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2001 Mercury Sable LS Premium 3.0L Misfire, MIL Lamp on VIN: 1MEFM55S01
P0172: bank 1 rich. ... this car first came in with mil on and po301 stored. missed fairly consistently and ltft and stft looked ok, so i tuned it up (plugs and wires) and sent it on its way with misfire gone or so i thought. came back a week later with light back on and p0301 st...
May 15, 2006
2003 Saturn L200 2.2L no accel after 55mph VIN: 1G8JU54F63
P0172: Fuel Trim System Rich (Bank 1). the vehicle run great through all the gears until at cruise 55 to give you an example you go to pass a vehicle and the vehicle under full acceleration slowes down and seems to be searching for the correct gear. great customer any help would appreciated.
May 19, 2006