Question about 2001 Ford Mustang

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I have a gas light on , 2001 mustang v-6 no engine light on cause i fix most of them , like egr, evap leak. new gas cap not originol cap is a aftermarker cap. ?

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  • 129 Answers

It has to do with ya sending unit. There is a break in the wire in the fuel tank makeing it stay on. Or there could be a short in the wire that feeds the unit. The light will come on when it goes to ground. That is what makes the light come on.

Posted on Dec 02, 2012

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

apollo 13
  • 56 Answers

SOURCE: 2001 MUSTANG GT NOT RUNNING

you can check your pump if working,by the bleeder in the fuel rail ,ignition onit suppose to have apreasure on it

Posted on Jun 26, 2008

mrgreenz
  • 962 Answers

SOURCE: engine service light

The DPFE (Diferential Pressure Sensor)sensor is usually mounted on the engine and is connected to the pipe that runs from the exhaust manifold to the EGR valve with two rubber hoses. When the sensor goes bad, the Check Engine light comes on and typically sets any or all of teh following fault codes: P0171 & P0174 (lean codes), and/or P0401 (insufficient EGR flow). Nine out of ten times, the fault is not a bad EGR valve or a vacuum leak, but a bad DPFE sensor. A replacement costs about $112 at Ford, or about $48 at an aftermarket auto parts store.I hope this helps.

Posted on Nov 08, 2008

  • 5 Answers

SOURCE: 1966 Ford Mustang overheating

try to run the water pump without hoses, and add water in the 'in' side, if is powers out the other side, then it's fine. how is your water/coolant mix?

Posted on Dec 01, 2008

  • 1 Answer

SOURCE: Ford Mustang service engine soon and check fuel cap lights are on

just went through this myself. first be sure there are no leaks incap as suggested. second, since computer system pressurizes fuel system as part of emissions, any possible leak, like in filler neck to tank, will trip the check engine. that fixed it for me - last summer. now, new problem showed up again. this time 2 different trouble codes: EGR valve and a pressure sensor. fixed the problem. a week ago, light back on. this time a no $ fix-loose vacumn hose. best advice like the other guys said is to get it scanned and start there.

Posted on Oct 27, 2009

  • 3 Answers

SOURCE: I have 1997 F150,check engine light came on, took

maybe a fuse is blown? did you have the mechanic check the fuses? or even check all your relays and wiring?

Posted on Dec 10, 2009

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1 Answer

Code po456 on my 2006 mustang 6 cyl. is there an easy fix


This elaborates more on the code.
P0456 - Evaporative Emission System Leak Detected (Very Small Leak)
Description:
The powertrain control module (PCM) monitors the complete evaporative emission (EVAP) control system for the presence of a very small fuel vapor leak. The system failure occurs when a fuel vapor leak from an opening as small as 0.508 mm (0.020 inch) is detected by the EVAP running loss monitor test.
Possible Causes:
• Very small holes or cuts in the fuel vapor hoses/tubes
• Loose fuel vapor hose/tube connections to the EVAP system components
• EVAP system component seals leaking. See the Possible Causes for DTC P0442
Diagnostic Aids:
Check for a missing fuel filler cap or the integrity of the cap.
Check for loose or damaged vapor hoses. Visually inspect the EVAP canister inlet port, CV solenoid filter, and canister vent hose assembly for contamination or debris.
Application Key On Engine Off Key On Engine Running Continuous

Nov 21, 2013 | 2006 Ford Mustang V6

1 Answer

Code po456 on a 2006 mustang 6 cylinder. any suggestions?


P0456 - Evaporative Emission System Leak Detected (Very Small Leak)
Description:
The powertrain control module (PCM) monitors the complete evaporative emission (EVAP)
control system for the presence of a very small fuel vapor leak. The system failure occurs when a fuel vapor leak from an opening as small as 0.508 mm (0.020 inch) is detected by
the EVAP running loss monitor test.
Possible Causes:
• Very small holes or cuts in the fuel vapor hoses/tubes
• Loose fuel vapor hose/tube connections to the EVAP system components
• EVAP system component seals leaking. See the Possible Causes for DTC P0442
Diagnostic Aids:
Check for a missing fuel filler cap or the integrity of the cap.
Check for loose or damaged vapor hoses. Visually inspect the EVAP canister inlet port, CV solenoid filter, and canister vent hose assembly for contamination or debris.
Application Key On Engine Off Key On Engine Running Continuous

Nov 21, 2013 | 2006 Ford Mustang V6

1 Answer

What are the code manings of P0455 and P0457 for a 2003 ford mustang gt?


Both codes are for major leaks in the Evap system which vents fumes from the gas tank to the engine.
Code 455 is for a major leak, and code 457 is for the gas cap which could cause 455.
The codes can set if you run the engine with the gas cap off, or there may be a problem with the cap or other component.

Aug 16, 2012 | 2003 Ford Mustang

2 Answers

There is condensation around the exhaust pipe is this a problem plus the gas cap light comes on


Condensation on exhaust pipe is normal.
Gas cap light:..This may be caused by loose or leaking hoses, loose or broken fuel cap, a leak at the top of the fuel filler pipe neck, ect......

Aug 22, 2011 | 2001 Ford Mustang

1 Answer

Hi, My engine light came on so I took it to AutoZone who told me it was the EGR hose so I had that replaced 2 weeks ago. Yesterday, the light came back on so back to AutoZone I went this morning. It is...


Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause:
  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking

Mar 13, 2011 | 2002 Chrysler PT Cruiser

2 Answers

Check Engine lite comes on Code PO440


16824/P0440/001088 - EVAP Emission Control Sys: Malfunction Possible Symptoms
  • Malfunction Indicator Light (MIL) active
Possible Causes
  • Evaporative Emission (EVAP) System leaking
  • Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) faulty
  • Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115) faulty
Possible Solutions
  • Check Evaporative Emission (EVAP) System Sealing
  • Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
  • Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115)

Jun 17, 2010 | 2000 Volkswagen Beetle

1 Answer

My fuel cap light indicator goes on, what could be the problem?


either the fuel cap is loose, or its not sealing well. try buying another gas cap from the dealer, as sometimes the aftermarket ones don't work as well. basically the light is telling you there is a gross leak in the EVAP system, and the gas cap is the most likely cause. if a new gas cap doesn't fix it, then there is a leak elsewhere in that system and will require special tools to pinpoint the cause

Feb 19, 2010 | 2001 Ford Escort ZX2

2 Answers

Engine error lite P0465


Replacing the EGR valve, its actuator, or your DPFE sensor could all be at fault. I would probably start with the valve itself since it's an EGR leak code. Your gas cap was a wasted repair. The gas cap would cause a P0441 or 445 evap code, but not an EGR code.

Oct 07, 2009 | 2000 Chrysler Concorde

1 Answer

Engine codes for 2001 Chrysler Sebring P0442 455 and 1685


PO442 means you have a small leak in your EVAP system. Most common cause is a bad gas cap, replace the gas cap with a factory gas cap,after market fail or does not conform to the OEM EVAP system. Other cause would be small leaks in the EVAP vacuum lines. P0445 is also related to the EVAP system and has detected a large leak in the system. Start with the gas cap as mentioned above. P1685 Is an issue with the ignition not recognizing the ignition keys and the car's ignition immobilizer my activate leaving the car not being able to start. That's going to have to be a Dealer repair. Good luck and hope this helps.

Jun 15, 2009 | 2001 Chrysler Sebring

5 Answers

2001 Dodge Caravan/check engine light


P0442--Evap Emission Sys. leak detected small leak
P0455--Evap Emission sys. leak detected gross leak
P0456--Evap Emission Sys. leak detected very small leak

Jun 07, 2008 | 2001 Dodge Caravan

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