hi girls n guys, I need a bit of help pointing me in the right direction. I'm hoping some of you are diesel owners. I'm having trouble starting the nitro in the morning when it's 5 degree c or lower. Basically the colder it is harder it is to start. Done the glow plugs with no joy. The glow light on the dash literally illuminates for 1 second so I'm thinking glow module but where is it and who sells it in the uk ? Any savvy uk owners
Scoobyscott79
Joined
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6,387 Posts
firstly the glow plugs i believe there called fast plugs, and they are very quick at getting hot, so the fact that the light goes off very quick is normal (my Nitro does the same ).
i have looked at the wiring diagram and there is a fuel heater within the fuel filter, there is also a fuel temperature sensor (this may be faulty ? ), still looking at the wiring diagrams for what controls this
Glow Plug Module: the Glow Plug Relay is actualy the Module ( located on the Bonnet slam panel ).
the PCM ( ECU old school ) sends a signal to switch the glow plug module on and off.
did look online, someone had replaced the glow plugs and the glow plug module (relay) and made no difference. someone also suggested that it could be a leaking fuel injector ( could make sense if you are getting smoke when the engine does start ).
someone also said they where not getting the correct 4.4Vdc supply at the glow plugs,( yes thats correct the Glow Plugs are NOT 12Vdc so don't test them a 12Vdc supply ).
thats all i've got for now, will have a look at a few other things as soon as i have a spare 5 minutes.
i have looked at the wiring diagram and there is a fuel heater within the fuel filter, there is also a fuel temperature sensor (this may be faulty ? ), still looking at the wiring diagrams for what controls this
Glow Plug Module: the Glow Plug Relay is actualy the Module ( located on the Bonnet slam panel ).
the PCM ( ECU old school ) sends a signal to switch the glow plug module on and off.
did look online, someone had replaced the glow plugs and the glow plug module (relay) and made no difference. someone also suggested that it could be a leaking fuel injector ( could make sense if you are getting smoke when the engine does start ).
someone also said they where not getting the correct 4.4Vdc supply at the glow plugs,( yes thats correct the Glow Plugs are NOT 12Vdc so don't test them a 12Vdc supply ).
thats all i've got for now, will have a look at a few other things as soon as i have a spare 5 minutes.
Joined
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6,387 Posts
No i'm not 100% sure, i'm just going by a variaty of manuals, but info on the 2.8 CRD engine is very limited, i did read it could also be next to the PCM, rear left of engine compartment maybe on the left inner wing.
i did find a couple of pics for the relay, some looked like the size of the one in your pic, but also found some that looked like the size of the one i showed.
however finding it should be easy, just follow the wire from the Glow Plugs it will go direct to the Module ( relay ).
take note: the jeep liberty 2.8 CRD engine which is what comes up when you search 2.8 CRD is different in lots of ways, the whole glow plug system is different, wiring, voltage, glow plugs and relay.
i did find a couple of pics for the relay, some looked like the size of the one in your pic, but also found some that looked like the size of the one i showed.
however finding it should be easy, just follow the wire from the Glow Plugs it will go direct to the Module ( relay ).
take note: the jeep liberty 2.8 CRD engine which is what comes up when you search 2.8 CRD is different in lots of ways, the whole glow plug system is different, wiring, voltage, glow plugs and relay.
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