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Lots of fault codes

Get some cheap plastic ramps as used for motorhomes. They will raise it sufficient to get underneath. DO NOT RELY ON A JACK ALONE.
This the sort if thing?
 

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Thought I'd do a little update in case anyone's interested.
I finally got under to have a look. The wires are sleeved and not accessible. The sensor is the only thing I could touch. So I might try the fuses. I might have a go at the pump myself. I don't mind paying the labour but imagine the garage would want an OEM part. They are about £180 . The cars got a dodgy flywheel, overdue timing belt, a few other problems and been around the block more times than an Essex girl. Not sure if you can get one from the breakers though.
Also the glow plug circuit has thrown up a fault code again. Doubt it's connected to this secondary coolant pump though. Cheers.
 
So, the two that are near each wing mirror are blowing hot. The two in the middle of the dashboard don't seem to be blowing at all. Cheers
Could be a relay for that particular issue, even the cabin filter which is a nice little job to do yourself.
Try and get your head under the car with the engine running. You might hear a dodgy auxiliary motor.
Changing them yourself isn't too bad. The electric bit might not want to separate easily and suitable pliers are needed for the pipes.
But that fault isn't the thing that causes the check engine light. That's most possible the glow plug fault.
If you do them yourself give them a spray the day before.
 
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