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Hi all,

I have a warning light which comes on intermittently. Diagnostics indicate a general p308 fault. The light comes on the dash for a month then off for three then back on again. No trouble starting the vehicle. Local garage doesn't think its a glow plug simply because its an intermittent fault. Does anyone know were to find a wiring diagram for the glow plug circuit. Alternatively has anyone come across this before. I thought it might be a faulty relay?
 

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Glow plugs are easy to check if open circuit. Changed all 4 plugs for less than £40 on my daughters 1.5D clio.
Same or similar engine I think. If you have 1 or 2 failed fault may only flag up intermittently.
I would change garages with the diagnostic guess work :confused:
 
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