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There's a lot of myths out there, having the battery disconnected doesn't cause any problems though no matter how long its unplugged......
In mine I would just use a can of Penrite P26 Diesel Foaming Intake Cleaner or some LIQUI MOLY Diesel Engine Intake Decarb squirt it down the PCV hose connection as per instructions, that should clean out the oil residue in the hoses as well as the soot/oil mix in the intake manifold, while some say it craps up the DPF I very much doubt it if used as directed and taken for a good run at speed after it......... have used it once or twice in other vehicles with no ill effects......
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2015 WK2 CRD Laredo( ZG, WG 2.7 )
Your Never Too Old To Learn Something Stupid.
Last edited by drover; 12-09-2023 at 04:23 PM.
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