If I'm not mistaken in the MK4's (2000 and up vdubs) if your glow plug light is flashing there is a fault in the system you should get it service asap. It won't hurt by driving it like this but it will be harder to start on cold days/mornings.
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If your engine check light is on you need to get the vehicle plugged into a diagnostic system or an OBD2 scanner soon. It could be a faulty glowplug causing the problem but the diagnostic will give you a more accurate answer.
Hi
This could be a number of things as silly as it seems one of the more common ones of the flashing light is a sticking switch on your brake pedal ,make sure your brake lights are going out when you release your footbrake as this causes the glow plug light to flash (Daft Eh) if not you would need the van plugging in to a diagnostics machine
You need to stop using and get the fault codes read
The worst thing is the flashing oil light oil pressure interruptions caus wear to important parts like crank and cam shafts bearings
In my case, the flashing glow plug indicator is caused by me replacing the stop lights with LED bulbs. Therefore, a cause for this flashing indication could be a blown stop light lamp. The test for this condition is; while the glow plug indicator is flashing, press and release the break pedal. This should stop the indicator from flashing. Check your stoplights. Or add a load resistor to your LED lamps if you have fitted these.
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.4 Jan 2016
Hi, on the front axle is the actuator for the free wheel hub. This actuator works with vacuum. You will need to establish if you have sufficient vacuum on the actuator. You should have vacuum on one side of the actuator in 4x2 mode and then the vacuum should change to the other side when 4x4 mode is selected. If your vacuum is fine and the actuator moves far enough, then you should look at the freewheel sensor situated on the front diff. The sensor might be faulty which gives the control unit the wrong info.
check to see if your brake lights are working.usually the stop light switch fails and is the cause.but before buying a new one check the stop light fuse.its a common problem with a simple fix.hope this helps.
on some diesel engines the glow plugs will cycle after the engine is started. it does sound like your glow plugs are not all working that would cause the hard start and excessive smoke when it does start.
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