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P0170 Diagnostic Trouble Code Discussion for September 2014

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
2000 BMW 323i 2.5L Hesitation VIN: WBAAM334XY
P0170: Bank 1 Fuel trim exceded. This BMW was in an accident and came in with a cold running complaint that its difficult(hesitating, lack of power) to get the car over 20mph until it warmed up for about 2-5min. After 2-5min it would drive decent, slightly underpowered. Smoke testing intake r...
September 22, 2014