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Are you having problems with your 2007 Hyundai Tucson? Let our team of motoring experts keep you up to date with all of the latest 2007 Hyundai Tucson issues & faults. We have gathered all of the most frequently asked questions and problems relating to the 2007 Hyundai Tucson in one spot to help you decide if it's a smart buy.
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That’s a pretty comprehensive rebuild of the fuel system, so it’s possible that something that was removed at the time has gone back on not quite the way it was. A shuddering as you slow down suggests that the idle speed is perhaps a touch low. You should be able to adjust the ide speed fairly simply, so the first thing to try is to creep it up, say, 100rpm and see if the shudder goes away.
A mechanic will be able to do this quickly and easily. If that’s not the problem, you need to go back and double check every fitting and fastener to make sure there’s no air or fuel leak that is causing the engine to develop the staggers. Were the new injector seals treated to a dollop of rubber grease before they were installed? If not, there’s a chance that fitting them may have put a small tear in the rubber seal which is now leaking.