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Technical Broken Sensor ?

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Technical Broken Sensor ?

Zeewulf

Zeewulf

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All,

Been having problems with car struggling to start lately, it's a 1.9 8v JTD, battery is fine, starter motor is new. Earths are all good (checked). When checking everything I did find a sensor/plug that's been broken (I assume garage did it when they did some work last week and have covered it up).

It's connected to about a 4-5 inch length of wire that comes off the main wiring just above the gearbox/starter and goes around the right side of the engine and under the EGR valve, but for the life of me I can't see where it's broken off from.

Car won't start at all, not even turning over the starter so I'm thinking it's probably timing related. No errors on the dash.

Pic below is the part of the sensor that was connected to the wire:





Any help on where it goes would be greatly appreciated, car isn't near my home at the moment so taking any more pics is going to be a problem.
 
Davren

Luckily one of our engineers is at work today so he's taken a few more photo's for me. The wire in question sits pretty much directly under the Fuel Filter on the JTD, see pic's of connection and location. The main wire it comes off comes from the engine bay fuse box (not the one on the positive battery terminal):



 
It's part of the water in fuel sensor. Fits in the bottom of the filter.
.
 

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Zeewulf said:
Car won't start at all, not even turning over the starter so I'm thinking it's probably timing related.
Click to expand...

If it's not even turning over on the starter, then it's a starter problem.. either the (new) motor isn't any good or there's a supply issue.

If the starter motor is literally "new" new then check the connections to it. Presumably it was working when the garage handed the car over.. so one of the connections to the starter might not have been tightened up properly and is now loose.

Otherwise check the power supply to the starter with the ignition on (be careful how you do this, as it's easy to earth yourself and you'll get some sparks). If there's no power to it, then that's a different problem to if there is. I'm no expert on starter circuits but if there's power but it doesn't turn over when you twist the key to "MAR" then that sounds like a relay kind of function.

Are you sure the battery is good? If it's low on volts and/or the connectors are loose (if it's been in and out of the car recently) then you'll have the symptoms of a flat battery. If the instrument lights dim, then that's a sign.


Ralf S.
 
Ralf S. said:
If it's not even turning over on the starter, then it's a starter problem.. either the (new) motor isn't any good or there's a supply issue.

If the starter motor is literally "new" new then check the connections to it. Presumably it was working when the garage handed the car over.. so one of the connections to the starter might not have been tightened up properly and is now loose.

Otherwise check the power supply to the starter with the ignition on (be careful how you do this, as it's easy to earth yourself and you'll get some sparks). If there's no power to it, then that's a different problem to if there is. I'm no expert on starter circuits but if there's power but it doesn't turn over when you twist the key to "MAR" then that sounds like a relay kind of function.

Are you sure the battery is good? If it's low on volts and/or the connectors are loose (if it's been in and out of the car recently) then you'll have the symptoms of a flat battery. If the instrument lights dim, then that's a sign.


Ralf S.
Click to expand...

I think it's likely to be a supply issue as it was working perfectly before going into the garage and the starter motor was fitted brand new less than 8 months ago. I know they did remove the battery tray to do the passenger headlight. So will start by taking it back out again and making sure they have actually done up all the earths/connections etc.
 
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