Ad blue Crystals

Orwelian · Jul 31st, 2019, 20:02

Our MY19 XC60 decided to pop the engine management light on the day after it came out of its first service with 8000 miles on the clock. We were away from home so took it into the nearest main dealer to get it checked as we still had a fair distance to go. They were very helpful, put the diagnostics on, the problem turned out to be crystallization of the Adblue on the injector nozzle where it goes into the catalyser, partially blocking the jet.
They had seen 3 others with the same problem and around a similar mileage.
Jet cleaned, a further 1000 miles, same problem again. followed by 3 other recurrences over the following 6 weeks. It has now been back to our regular main dealer who have carried out a complete clean through to remove more crystals and hopefully get rid of the problem completely. I only mention this to the forum as our dealer had only just had one with the same problem just a couple of weeks before ours. It might be an issue that will raise its head with others. Volvo not able to suggest reasons why it happens apparently.

Jul 31st, 2019, 20:02	#1
Orwelian New Member Last Online: Jan 5th, 2023 10:08 Join Date: Jan 2008 Location: Suffolk	Ad blue Crystals Our MY19 XC60 decided to pop the engine management light on the day after it came out of its first service with 8000 miles on the clock. We were away from home so took it into the nearest main dealer to get it checked as we still had a fair distance to go. They were very helpful, put the diagnostics on, the problem turned out to be crystallization of the Adblue on the injector nozzle where it goes into the catalyser, partially blocking the jet. They had seen 3 others with the same problem and around a similar mileage. Jet cleaned, a further 1000 miles, same problem again. followed by 3 other recurrences over the following 6 weeks. It has now been back to our regular main dealer who have carried out a complete clean through to remove more crystals and hopefully get rid of the problem completely. I only mention this to the forum as our dealer had only just had one with the same problem just a couple of weeks before ours. It might be an issue that will raise its head with others. Volvo not able to suggest reasons why it happens apparently.

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