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How do I by pass the glow plug controller on a 6.2

The pump is worn and I need glow plugs for starting the engine when warm

If the engine is warm, glow plugs are not needed. Sounds like you have a sticky delivery valve in your pump. Try a fuel additive with lubricity and cetane booster. IE PowerService Also, before you start the engine give the foot feed a pump like you would a carburated engine. This will move the valve manually and hopefully work it to free it up a bit.

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Q: How do you bypass glow plug controller?
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If problem with glow plugs what should you do?

Fix it, or have it fixed. Have it diagnosed properly to know what needs fixing. The main possibilites are failed glow plugs, the glow plug harness could have issues or the glow plug controller.


1984 Chevy 6.2 glow plug indicator just stoped and won't light up and so glow plugs arn't warm to run?

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controller is bad. Check to see if you are getting power to the controller!


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The glower relay itself and it's associated controller don't have fuses as such. Each glow plug has a fusible link (which is similar) but you wouldn't know to check this if the 'Wait to Start' or 'Glow Plug' light was lit as normal. Troubleshooting a bad glow controller is a little more complex and you need to verify that the plugs themselves are OK first.


How can i tellif a glow plug is bad?

well if you have a code for the glow plug circuit then you may or may not have a glow plug issue. Could be wiring or relay or the controller. If all is ok glow plugs typically have 0.05-0.08 ohms of resistance when bench tested out of vehicle. Good luck hope this helps.


Where is the glow plug relay on a 1988 ford f250 7.3L diesel?

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Where are glow plugs located on a 7.3 diesel engine?

The Glow plugs on a 7.3 Diesel International are located at the top of the intake manifold. There is 1 plug for each of the 8 cylinders and each plug will have a single wire connected to the top of it.These 8 wires go into a harness which leads toward the rear of the engine where you will find the "Glow Plug Controller". The engine I am refering to is a 1988 model, however, I would think a 7.3 is a 7.3. The Glow Plug controller has been a source of trouble on mine but check the plugs first.


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Where is glow plug fuse in engine department?

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Wood a bad controller burnout your glow plugs?

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