Question about 2000 Ford Excursion

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2000 Ford Excursion Diesel has check engine light of P1391

2000 Ford Excursion Diesel has check engine light. Error Code P1391. I found this is related to Glow Plugs Bank 1. I am a newbie to diesels and this is my 1st issue. I am handy but not sure what this means.

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  • Harley Nov 17, 2009

    so now that it is getting colder in chicago area, does that mean the glow plugs need to be replaced? thanks

  • Anonymous Mar 21, 2014

    7.3 diesel check engine light on

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Glow plugs preheat the fuel to help the engine start.....when its hot outside its not that bad...the colder it gets the harder it will be to start with bad glowplugs..

Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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My 97 f250 supercab with a 7.3 has a 1391 and a 1393 what needs replacing.


generic p1391 is CMP or CKP Sensor Signal Intermittent Conditions.
p1391 code Ask com YouTube Search this link is codes more for chrysler ---the following codes pertain to your vehicle p1393 is Glow plug circuit low input, bank #2 (left) Open/short/miswired circuit, ... ---- p1391 is Glow plug circuit low input, bank #1 (right) Open/short/miswired circuit, faulty relay, glow plugs.
An Introduction to the Power Stroke Glow Plug System this link will explain and assist in repair

Aug 07, 2016 | Cars & Trucks

1 Answer

89 Ford E350 Diesel - two problems 1) no power to instrument cluster, 2) diesel will not fire off without starter fluid...but the glow plug solenoid does click and wait light goes off


You should never use starter fluid when the glow plugs are hooked up. It can cause severe engine damage. You probably need to replace all the glow plugs and the glow plug controller.

Jul 06, 2014 | 1989 Ford F 350

1 Answer

Have 2000 excursion with water in the oil


take to mechanic ,blown gasket or cracked blockor casting,major problem don't drive, will damage motor or seize up! water jacket in engine could be compromized

Jan 24, 2013 | 2004 Ford Excursion

1 Answer

99 FordF250 Code p1391 & p1393


Hello
Here are the meanings of these codes.
P1391 FORD - Glow Plug Circuit Low Input Bank #1
P1393 FORD - Glow Plug Circuit Low Input Bank #2
I think you most likely have a burnt out Glow pug controller. Whenever this controller is replaced all glow plugs should be tested for proper function.

Oct 04, 2011 | 1999 Ford F250 Regular Cab

1 Answer

Getting a P1391 error code on my 01 Caravan, Changed PCM Sensors, wires, plugs, EGR, Whats Next? Please


P1391 Glow Plug Circuit Low Input (Bank #1)
  • DTC P1391 or P1393 will set when the monitor indicates that all four glow plugs are not being powered on that bank. An open in the glow plug circuits, glow plug relay, glow plugs or monitoring circuit could be the possible causes.

    Both DTCs P1391 and P1393 together will set when the monitor indicates that all eight glow plugs are not being powered. An open in all glow plug circuits, the glow plug relay, glow plugs, fusible links or all three monitoring circuits could be the possible causes.
  • Possible causes:
    • glow plug relay
    • glow plug shunt
    • open in glow plug circuit(s) or monitoring circuit(s)
    • glow plugs
    • PCM
__________________

May 19, 2011 | Dodge Grand Caravan Cars & Trucks

1 Answer

During highway driving, my 2005 Ford Excursion Diesel seems to vibrate intermittently @ 2000 RPMs and speeds between 62 - 75 MPH. I can accelerate through the vibration or keep RPMs below 2000 to...


I would first check the u-joints on the driveshaft if the problem only happens when the speed is between 62-75mph. Then check all the tires for lumps or bulgesin the sidewall or tread surface. The tires may also be out of balance and bouncing at that speed. If the vibration occurs only when the engine is around 2000rpm, check the pulleys, serpentine belt and anything driven by it for looseness. Also, check the trans mount to see if it is loose or broken. If everything checks out ok, have the OBD codes checked to see if anything might be causing the engine to surge.

Aug 17, 2010 | 2005 Ford Excursion

1 Answer

Slugish start on my excursion


Glow plugs do not "fire". You may be confusing the function of glow plugs as analagous to spark plugs in a gasoline engine; the purpose of glow plugs is to heat the air-fuel mixture to a temperature that will support the diesel auto-combustion process. The diesel process is not one in which the air-fuel mixture is ignited via spark like a gas engine; rather, the air-fuel mixture undergoes much higher compression and spontaneously explodes, generating the combustion in a self-sustaining manner. High compression produces much higher heat, but before it can begin, heat must be introduced into the system to get it started.

If you're having sluggish engine performance from your diesel engine, you may have fuel system issues such as fuel pump failure or fuel line restrictions (including fuel filter or strainer clogging), etc. At the "worst" end of the spectrum, one of more of your fuel injectors may have a problem - the fuel injectors on the Powerstrokes not only inject the fuel into the combustion chamber, but are also cooled and lubricated by the fuel - if the vehicle has ever been run out of fuel, the injectors may have been damaged and will need to be inspected for replacement.

Jun 29, 2010 | 2004 Ford Excursion

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