Question about 1998 Ford Ranger SuperCab

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P1151 code ,i tink is the presure regulator - 1998 Ford Ranger SuperCab

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A P01151 without a lean code such as P0174 is usually always a slow switching oxygen (hego) sensor, especially if the vehicle has higher mileage 70k +

Posted on Apr 04, 2011

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Code p1741


TYPE: OBD P1741

OBD PO454

OBD P1151

Oct 16, 2014 | 2001 Ford Explorer Sport

1 Answer

Does Changing a P1151 and P0175 on a ford Wind star solve the problems associated with it?


P1151 is indicating an problem with the upstream O2 Sensor on Bank 2. Bank 2 is the even cylinders side O2 sensor. The P0175 code indicates a rich condition in Bank 2 exhaust. This indication, if by itself, would indicate a faulty MAF Sensor or a vacuum leak, but since you already have the P1151, change the Bank 2 O2 sensor first and most likely both codes will clear.

Aug 05, 2014 | Cars & Trucks

1 Answer

P1151 ford code, p0402


replace dpfe sensor, ck two hoses that go to it, and replace intake manifold gaskets, ck fuel pressure regulator for leakage.....jim

Jul 29, 2014 | 1996 Ford Explorer

1 Answer

What would the car be doing if it needs a oxygen fuel sensor


Possible causes - Faulty Upstream Oxygen Sensor Bank 2 - Fuel pressure high or low - MAF sensor dirty/defective - Vacuum leak on engine - Leaking fuel injector or fuel pressure regulator - Faulty Powertrain Control Module (PCM)

Read more: http://www.autocodes.com/p1151_ford.html

Jun 27, 2014 | 2003 Ford Taurus

1 Answer

How do I fix code P1151 on 97 Mustang


P1151 - Lack of HO2S-21 Switch, Sensor Indicates Lean
A Heated Exhaust Oxygen (HO2S) sensor indicating lean at the end of a test is trying to correct for an over-rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time.

Symptoms: You will likely not notice any drivability problems.

Causes: A code P1151 may mean that one or more of the following has happened:
Electrical:
Short to VPWR in the harness or HO2S
Water in the harness connector
Open/shorted HO2S circuit
Corrosion or poor mating terminals and wiring
Damaged HO2S
Damaged PCM

Fuel System:
Excessive fuel pressure
Leaking/contaminated fuel injectors
Leaking fuel pressure regulator
Low fuel pressure or running out of fuel
Vapor recovery system

Induction System:
Air leaks after the MAF
Vacuum Leaks

PCV system:
Improperly seated engine oil dipstick

EGR System:
Leaking gasket
Stuck EGR valve
Leaking diaphragm or EVR

Base Engine:
Oil overfill
Cam Timing
Cylinder compression
Exhaust leaks before or near the HO2S(s)

Oct 11, 2011 | Cars & Trucks

3 Answers

I have a 98 ford tourus have a troulble code of P1151. i cant find this code in the books


Not a Generic Code

MFG Specific

P1151---Lack of HO2S-21 Switch,
Sensor Indicates Lean


O2 Sensor trying to correct for a rich condition,
thus goes lean

I have 27 Possible Causes in the Diagnostic
trouble Code Chart

Common DIY

Worn out Sensor
Too Much Fuel Pressure,doubt that
Leaking Injector,maybe
Vacuum leaks on ducting from air filter to throttle
PCV Leaks
Oil dip stick not sealed
Egr ,issues
EVAP System leaks

Mar 17, 2011 | Ford Taurus Cars & Trucks

1 Answer

02fordf150 no power p1151 p0174p0305 codes present


p1151 indicates fuel system lean bank 2, p0174 system lean bank 2, p0305 is missfire cylinder number 5. You say no power I take that to mean that is has low power while running, if so with these codes present check your fuel pressure and pressure regulator and fuel pump, it sounds like your fuel system has low pressure and is not responding correctly. Hope this helps, let me know.

Jul 01, 2010 | 2002 Ford F150 Regular Cab

1 Answer

Have engine trouble codes P1151 and P1131


If both, P1131 and P1151 trouble codes are set at the same time, the problem will most likely be attributed to a vacuum leak past the MAF (Mass Air Flow) sensor or something else that would likely affect BOTH banks. If the problem is only causing one code or the other, but NOT both, the problem will most likely be something that would affect one bank, like a bad O-2 sensor or a fuel injector; the most common cause of a single code either the P1131 or P1151 in my experience has been a bad Oxygen sensor.

Nov 07, 2009 | 2001 Mazda Tribute

3 Answers

Where is the fuel pressure regulator located on an 2002 f150 v6?


in the center of the motor,in the rear on the fuel rail

Jan 16, 2009 | 2002 Ford F150 Regular Cab

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