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Are you having problems with your 2005 Toyota HiAce? Let our team of motoring experts keep you up to date with all of the latest 2005 Toyota HiAce issues & faults. We have gathered all of the most frequently asked questions and problems relating to the 2005 Toyota HiAce in one spot to help you decide if it's a smart buy.
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Normally, I would be thinking it’s the turbo, but the fact the performance hasn’t been affected would suggest it’s not. Check the injectors, it could be that they’re worn and in need of replacement.
It's most likely to be an engine sensor, or a wiring connection associated with one, that's the problem. Unfortunately, intermittent problems are hard to detect, because they rarely occur when the mechanic is there to witness it.