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Fuel pressure sensor ( code - 16575 ) - Cars & Trucks

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4 Answers

What does code PO453 mean


the evaporative emission system (EVAP) control system pressure sensor has sent high voltage to the ecm or engine control module and triggered this code either the purge valve located under the car by the gas tank has gone bad, or the charcoal canister has become gas soaked and is pressurizing from gas fumes, or the sensor or wires have shorted , there is also a secondary valve located und the cover of the intake that should also be checked for shorts that can trigger this code but usually it is the one under the car that goes out 9 out of 10 times it is from fuel being burped into the evap canister or charcoal canister from the gas tank which is caused from overfilling the tank or mid day heat of 90 or better with a full tank

Aug 30, 2014 | 2005 Cadillac CTS

1 Answer

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

P0452 ,P0305 aurora 3.5


P0452 means fuel tank pressure sensor circuit low pressure. Possible symptoms:
- Fuel Tank Pressure Sensor harness is open or shorted
- Fuel Tank Pressure Sensor circuit poor electrical connection
- Faulty Fuel Tank Pressure Sensor
The code 0305 means cylinder 5 misfire detected. Possible symptoms:
- Faulty spark plug 5
- Clogged or faulty fuel injector 5
- Faulty ignition coil 5
- Fuel injector 5 harness is open or shorted
- Fuel injector 5 circuit poor electrical connection
- Ignition coil 5 harness is open or shorted
- Ignition coil 5 circuit poor electrical connection
- Insufficient cylinder 5 compression
- Incorrect fuel pressure
- Intake air leak

Read more: http://engine-codes.com/p0305_pontiac.html#ixzz2d8l8VHWe
Read more: http://engine-codes.com/p0452_pontiac.html#ixzz2d8kXRa8w

Aug 27, 2013 | 2001 Pontiac Grand Am SE

1 Answer

2002 taurus code po191


That is P0191 not o.
P0191 FORD - Fuel Rail Pressure Sensor Circuit Range/Performance

Possible causes- High fuel pressure
- Low fuel pressure
- Damaged FRP sensor
- Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
-

Oct 05, 2012 | 2002 Ford Taurus

1 Answer

Could it be that the ecu is wrong


No it is not Catalytic Converter related. Your fuel tank pressure sensor must be disconnected or the wiring to it defective for the evaporative emission system.
P0453 HONDA - Fuel Tank Pressure Sensor High Voltagexicon.jpghttp://engine-codes.com/p0453_honda.htmlForum CodePossible causes- Fuel Tank Pressure sensor harness is open or shorted
- Fuel Tank Pressure sensor circuit poor electrical connection
- Fuel Tank Pressure Sensor
- Faulty Engine Control Module (ECM) When is the code detected?A high voltage signal from the fuel tank pressure sensor is sent to Engine Control Module (ECM).
P0450 - Evaporative Emission Control System Pressure Sensor Malfunctionxicon.jpghttp://engine-codes.com/p0450.htmlForum CodePossible causes- Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
- Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
- Faulty Evaporative Emission System (EVAP) Pressure Sensor
- Faulty Engine Control Module (ECM) When is the code detected?- An improper voltage signal from EVAP control system pressure sensor is sent to ECM.

Aug 10, 2012 | 1998 Honda Civic

1 Answer

How to fix codes p0190 & p0193 fuel rail pressure sensor codes


The two codes are both about the fuel rail pressure sensor. I would check fuel pressure with a gauge first.
If pressure is low try the fuel filter before anything else.

P0193 FORD Description The Fuel Rail Pressure (FRP) sensor is a diaphragm strain gauge device in which resistance changes with pressure. The electrical resistance of a strain gauge increases as pressure increases, and the resistance decreases as the pressure decreases. The varying resistance affects the voltage drop across the sensor terminals and provides electrical signal to the Powertrain Control Module (PCM) corresponding to pressure.


Strain gauge type sensors are consider passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow.


Voltage that is dropped across a fixed resistor in series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.


The FRP sensor measures the pressure of the fuel near the fuel injectors. This signal is used by the PCM to adjust the fuel injector pulse width and meter fuel to each combustion cylinder.
Read more: http://engine-codes.com/p0193_ford.html#ixzz21vmKrzhU

Jul 28, 2012 | 1998 Ford Escort

2 Answers

Code p0191


P0191 FORD - Fuel Rail Pressure Sensor Circuit Range/Performancexicon.jpghttp://engine-codes.com/p0191_ford.htmlForum CodePossible causes- High fuel pressure
- Low fuel pressure
- Damaged FRP sensor
- Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Fuel
- Vacuum leaks

Jul 04, 2012 | 2003 Ford Taurus

1 Answer

Code p0190 what is it


There is not a cut and dry one answer fixes it for this code, it has to do withthe fuel supply manifold pressure sensor not reading correctly. Here is the diagnostic info.
P0190 FORD - Fuel Rail Pressure Sensor A Circuit out of range
Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
- Engine will not start Possible causes - High fuel pressure
- Low fuel pressure
- Damaged FRP sensor (most common)
- Excessive resistance in the circuit
- Low or no fuel
- Wiring harness connector of the fuel pressure sensor
- Fuel Rail Pressure Sensor
- Vacuum leaks
- Fuel leaking causing loss of pressure

Jan 27, 2012 | 2004 Ford F150

1 Answer

What is the codes means po452 and po453


Hi,

The codes indicate a problem with the fuel tank pressure sensor. One code is for no volts, the other is for high volts. Without a scanner hooked up to monitor. I have to go with you have a bad fuel tank pressure sensor. this is an emissions control sensor. the tank is pressurized and the sensor monitors it for leaks etc. the tank must come out as it is mounted on top of fuel pump module

REMOVAL PROCEDURE

  1. Raise the vehicle.
  2. Remove the fuel tank. Refer to Fuel Tank .
  3. Remove the fuel tank vapor pressure sensor electrical connector.
  4. Remove the fuel tank pressure sensor.
INSTALLATION PROCEDURE
  1. Install the fuel tank vapor pressure sensor.
  2. Install the fuel tank vapor pressure sensor electrical connector.
  3. Install the fuel tank. Refer to Fuel Tank .
  4. Lower the vehicle.
Thanks.

Feb 02, 2011 | 2001 Chevrolet Blazer

1 Answer

VW POLO 1.4 FSI AXU ENGINE. FAULT CODE 17439 - 16575. LACK OF POWER.


it is either fuel pressure sensor g247 or fuel pump fault

Nov 23, 2010 | 2012 Volkswagen Polo

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