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Engine-Codes.com | All About OBDII Engine Codes

P1151 Ford

P1151 Ford - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Lean Bank 2

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P1151 Ford Comments |  Add Comment
Possible causes
- Faulty Oxygen Sensor
- Fuel pressure high or low
- MAF sensor dirty/defective
- Vacuum leak on engine
- Leaking fuel injector or fuel pressure regulator
- Faulty Powertrain Control Module
Help with Possible causes What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1151 Ford Description

A Heated Exhaust Gas Oxygen (HEGO) Sensor indicating lean at the end of a test is trying to correct for an over-rich condition. Test fails when fuel control system no longer detects switching for calibrated amount of time.

P1151 Ford Information for specific Ford models
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FORD Technical Service Bulletins for P1151 code
2001 FORD E-150 Engine And Engine Cooling Details
2001 FORD E-250 Engine And Engine Cooling Details
2001 FORD F-150 Engine And Engine Cooling Details
2002 FORD E-150 Engine And Engine Cooling Details
2002 FORD E-250 Engine And Engine Cooling Details
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