Question about 1998 Ford Ranger SuperCab

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1998 ford ranger xlt

Replaced fule pump now has codes po232 fuel pump secandary to high and po102 maf/vaf cerciut low imput and the truck won't start

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P0102= mass air flow sensor is dirty or needs to be changed.
p0232= recheck your wiring. you might have crossed wires when changing fuel pump or your fuel sensor might be faulty

Posted on Feb 18, 2009

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1997 gmc sierra fix the code po102


code po102 refers to mass air flow(MAF) sensor/volume air flow (VAF) sensor---low input======causes --wiring short to ground---MAF/VAF sensor ---ECM

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What is code p0101/p0300/p0171


code p0101 refers to MAF sensor and VAF sensor--range /performance problems===causes --intake leakage/blockage ---MAF/VAF sensor failure.

code p0300 refers to random misfires multiple cylinders ---causes --spark plugs /HT leads --injector /s-- ignition coil/ s--low compression ---wiring

check fuel pressure in manifold and HT leads

code p0171 refers to system too lean bank 1 ===causes --intake /exhaust air leak---AIR system---MAF/VAF sensors ---fuel pressure /pump---injectors ---HO2S sensor

Basically there are two codes referring to the MAF/VAF sensors so check them out and two codes referring to fuel pressure and pump so have a pressure test done on the fuel manifold to determine if pump or pressure regulator.

Aug 24, 2014 | Cars & Trucks

1 Answer

What does code po102 mean ?


code p0102 refers to mass air flow(MAF) sensor/ volume air flow(VAF) sensor --low input===causes--wiring short to ground--MAF/VAF sensor/s--ECM

clean or replace the MAF/VAF senspr

Aug 14, 2014 | Cars & Trucks

1 Answer

1998 volvo s70 2.4 glt turbo


code p0102 refers to MAF/VAF sensor ---low input ===causes --wiring short to ground. MAF/VAF sensor
code po172 refers to system too rich --bank 1=== causes ---intake blocked --EVAP canister purge valve---fuel pressure ---HO2S sensor
code po random misfires ---plugs --wiring ---injectors--low compression
code po305 refers to cylinder 5 misfire detected ===causes --engine mechanical fault--ignition/ fuel system ---injector ---ECT/MAF

I would check that the air filter is not blocked first as it affects the MAF/VAF sensors . Have a fuel pressure system pressure test done

Feb 13, 2014 | Volvo S70 Cars & Trucks

1 Answer

99 Audi A4 quarto, keep having to replace same coil pack and code p0102 but changed the MAF. My last guess is the wiring has gone bad, but I don't know how to fix it or even where to start.


code p0102 refers to mass air flow (MAF) sensor/volume (VAF) sensor-low input===causes --wiring short to ground---MAF/VAF sensor--- ECM Replace the sensors and check for a wire shorting across to the earth pin. Code po102 has no reference to coil packs but check that the wiring to the coil has not been damaged when removing for replacement.

Sep 23, 2013 | Cars & Trucks

1 Answer

Gm trouble codes explained


code p0102 refers to mass air flow(MAF) sensor /volume air flow (VAF) sensor -low input. Causes ---wiring short to ground --MAF/VAF sensor ---ECM.

Apr 23, 2013 | GMC Cars & Trucks

1 Answer

HOW TO FIX CODES 171 AND 174


fault code p0171 is system too lean bank 1.................. intake/exhaust leak. air system MAF/VAF sensor. Fuel pressure/pump , injectors HOS2.

fault code p0174 is system too lean bank 2...................intake exhaust leak, fuel pressure/pump , injector(s) Air system, Hose connectors

hope this helps you

Jan 07, 2012 | 1999 Ford Ranger SuperCab

1 Answer

What is faut code po232 fule pump circit high on ford focus


when this code comes on does the car kill or is it still running?
It is either a bad fuel pump or bad relay.

Aug 27, 2010 | 2000 Ford Focus

2 Answers

Are there a high and a low pressure fuel pump on the 1987 ford ranger xlt 2.9 liter v-6?


Yes (low pressure) one sit on the inner frame rail on the driver side under the truck by drivers door.High pressure is in the gas tank, if you are going to replace fuel pump, don't forget fuel filter.

Dec 23, 2009 | 1987 Ford Ranger

2 Answers

Replaced fuel pump in 1998 for ranger


Diagnostic Trouble Code (DTC) P0232 indicates that the powertrain control module (PCM) detected the FPM circuit voltage was high when the fuel pump was commanded off. The FPM circuit is wired to a pull-up voltage inside the PCM. The FPM circuit will go high if, with the key on and the fuel pump commanded off, the FPM/FP PWR circuit loses its path to ground through the fuel pump. The FPM circuit will also be high if the FPM/FP PWR circuit is shorted to power.
Possible causes:
No Start:
Inertia fuel shutoff (IFS) switch not reset or electrically open.
Open circuit between the fuel pump and FPM circuit connection to the FP PWR circuit.
Poor fuel pump ground.
Fuel pump electrically open.
Diagnostic Trouble Code (DTC) P0102 indicates the MAF sensor signal went below 0.39 volt (refer to Voltage to Mass Air Flow Conversion Table at beginning of this Pinpoint Test) sometime during normal engine operation (Continuous) or during Key On Engine Running (KOER) Self-Test.
Did you have the MAF unplugged?

Feb 18, 2009 | 1998 Ford Ranger SuperCab

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