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Turbo lag issue on Santa Fe

Asked by Robert Wyer

An intermittent engine miss developed in my 2010 Hyundai Santa Fe R 2.2-litre diesel six months after I bought it, and it now occurs regularly, although I can't get it to do it when I've taken the car to the dealer. It's best described as like a turbo lag. It can occur up to four times a day, but mostly it happens once a day. It can happen from starting off, or when accelerating to pass from various speeds, or taking off at lights etc. Mostly it occurs on very hot days when the engine is hot, but once or twice it did do it when first starting off. The dealer's diagnostic computer shows nothing. I believe it is a safety issue, as I have been caught out a few times. I hope you can help.

Answered by CarsGuide

26 Apr 2013 Graham Smith

Finding the cause of an intermittent problem is difficult because it doesn't always occur when the mechanic is there to witness it. It means he's flying blind when attempting to diagnose it. Likewise, if it doesn't happen when the diagnostic equipment is connected everything will indicate normal. The only thing you can do is to persist with the dealer and urge him to continue to seek a solution. It might help if you to set up a video camera in the car and have it running every time you drive the car and record it when it happens. That would show the dealer that it does actually happen and you're not making it up, and might give him some information that might help trace the problem.

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