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It has just dropped into the 30s here at night, and the past couple of mornings I've had a tough time getting the truck to turn over. Plenty of cranking power from the batteries, just won't come to life. What it does do, however, is put a ton of smoke in the air. Not the pleasant diesel exhaust smell we all love, but more of a choking cloud.
Is this an indicator that I have glow plugs out? If so, how do I determine which to replace?
Alternatively, were some truck produced with a block heater, and some not?
i think all had a block heater it may just be hard to find. next time you go to start it turn on the key and go out and bridge the glow plug relay with a screw driver. if it works then you need a new relay. if it doesnt you might have to replace the glow plugs but it does sound like a glow plug system problem my guess would be the relay
Pull the harness connector out of the valve cover connector and you will see 9 pins the outside 2 are the GP's check resistance to ground should be 3 - 4 ohms if it is >20 it is a bad GP
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