Why does the glow plug light on the dash quit lighting?
Why does the glow plug light on the dash quit lighting?
On the water manifold/ t/stat housing is a temp sender this is for the ECM it could be bad and it is telling the ECM the engine is hot and does not need the glow heat. Easy test unplug it and try starting it, unpluged the ECM thinks it is stone cold and it will glow for a long time.
What should the voltage of the glow plug be?
The single heavy red wire term should be 12v all the time. The double heavy red wire term is to the glow plugs should be hot 12v when you hear the relay click on. If no voltage the relay is bad, Pin A battery voltage, key in run position, all the time ( this is feed by the 20 amp fuse ).
What should I do if my glow plug is bad?
If no voltage the relay is bad, Pin A battery voltage, key in run position, all the time ( this is feed by the 20 amp fuse ). Pin B 12 volts from the ECM when glow heat is called for. Pin C direct continutiy to engine ground. pinsD&E are not used. IF there is no voltage at pin B check the ECM fuses or the ECM could be bad.
Where is the fuel solenoid driver located on a GMC?
The same part is also called an FSD or Fuel Solenoid Driver. (One is GM terminology, the other Stanadyne terminology). It is a “black box” about the size of a pack of cards mounted on the driver’s side of the injection pump.
Why is my DTC glow plug not working?
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.
Is the glow plug on a power stroke engine working?
The Power Stroke Diesel engines rely heavily on the glow plug system. This time of year, when temperatures get low, it can be especially critical that the glow plug system is working properly. In this article, we discuss the important of glow plug operation and how to diagnose and fix Power Stroke glow plug faults.
What’s the problem with my glow plug monitor?
P1395 Glow plug monitor fault, bank #1 One or more glow plugs failed or circuit fault. P1396 Glow plug monitor fault, bank #2 One or more glow plugs failed or circuit fault.
Why does my Ford F250 diesel not start?
They could not be functioning. The diesel engine doesn’t have spark plugs like most trucks, instead, it used glow plugs, which are designed to heat up and assist in starting the diesel engine. Although the glow plugs aren’t always essential for starting, they assist the process especially when the ambient temperature is very low.
On the water manifold/ t/stat housing is a temp sender this is for the ECM it could be bad and it is telling the ECM the engine is hot and does not need the glow heat. Easy test unplug it and try starting it, unpluged the ECM thinks it is stone cold and it will glow for a long time.
What to do when no glow plug light no crank?
One thing when the ignition switch is turned back or to start, power is applied to the glow plugs even though the light will not come on. (Bulb is good) I can apply power to the Y/R wire on the Safety Start Switch or Jump the R/B to the White and the engine will crank. Old threads that may help from another site.
Is the fuse on a no glow plug light good?
The fuse link is good as are all the fuses. One thing when the ignition switch is turned back or to start, power is applied to the glow plugs even though the light will not come on. (Bulb is good)
When does the glow plug light come on?
Your diesel vehicle is equipped with glow plugs, and also with a Glow Plug Light that will either come on and stay on, or flash or blink when a fault is detected by the ECU (engine management unit). When the Glow Plug Light comes on, the ECU stores information about the condition that has caused it to come on.
Why is my glow plug light not working?
Thought glow plug relay was going bad, easy fix, so did that. Worked fine for a few days, then started up doing the same thing again. Now no glow plug light, car cranks but acts like getting no fuel or spark. Have checked glow plugs – all good. Good voltage on battery. Tried OBDII scanner, but won’t link up with ECM. Have no clue where to go next.
Is it safe to drive with the glow plug light on?
A qualified mechanic who has a code reader that is suited to your particular make and model of vehicle can retrieve this information, and then make a diagnosis of the problem and recommend a course of action. So, can you drive safely with the Glow Plug Light on?
