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P0170 Diagnostic Trouble Code Discussion for December 2009

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
1996 Eagle Talon TSi 2.0L Excessive Emissions, MIL Lamp on VIN: 4E3AL54F0T
P0170: Fuel Trim Too Rich Or Too Lean. I believe the Cat will eventually need to be replaced to get it through the e-test, but I see some readings that indicate a basic problem that needs/should be repaired first? The O2 sensor waveform is pitched high by about 150mv at all times (560mv Avg), senso...
December 08, 2009