Quote:
Originally Posted by cliff7
Still no luck. There is now 12 gallons of diesel in the tank. Everything works as normal except for hot starting. Not sure where to go next. No relevant codes come up. Only a code for no signal from CEM to AUM. Aftermarket radio fitted.
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If you have diagnostics with live read out - I'd monitor the fuel rail pressure - start monitoring before you start cranking, see if the pressure builds quickly or slowly and if that's relevant to when the engine starts.
In normal circumstances, metered fuel pressure should be reached within 1 second of normal cranking.
If slow pressure build, then leak back test as suggested above.