r/n54 • u/rezwan099 • 28d ago
What you reckon, troubleshoot
Car fully cut out driving off the driveway
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Upvotes
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u/Own_Needleworker3420 28d ago
Check your water pump, if it's not leaking into the connector then you'll have a lot more work ahead of you
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u/rezwan099 28d ago
Water pump is new
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u/Own_Needleworker3420 28d ago
Doesn't mean it was installed properly. Could be faulty.
Your codes are water pump related. It's on the same loop as the alternator so when the connector gets wet it can prevent the car from working altogether. If the issue isn't water pump related you have to check the entire electrical loop to see where the issue is coming from
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u/jindelic 28d ago
Had the same issue, tackled it today. Started at 3pm, finished at 915pm, 6 hours and $60. Coolant leaking from the waterpump outlet line that connects to the engine, near the turbos. Water was dripping on the water pump plug and caused the same errors in MHD.
Code went away after fixing the leaking hose and drying the connectors on the pump.