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I read some of the responses to other peoples questions and thought they were very well presented ---- so here you go ......
My 2006 Tribeca @243,000 km (151,000 mi) and always properly serviced and maintained. I had 6 plugs and 2 coils changed a month ago and when I picked up the car it was running perfect. the next morning when I first started it, it was rough for the first minuite or so - then ran perfect, and it's been doing this every morning since then. Also when I'm out during the day and the car sits for over and hour it does the same thing - any thoughts? Thanks, Subiemax
Succinctly:
They did something wrong. Have no idea what it is, but sounds like fuel isn't feeding properly when it's first started. Why you haven't taken it back to the people who did it is an even bigger question. They messed it up, make them fix it. Something may be loose, but it's likely an electrical or computer issue. They may need to reflash the computer module.
Whatever it is, whoever worked on it is responsible to make it right.
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Thanks for your quick response... yes I did take it back right away and they were a little perplexed and sighted a few possibilities... fuel injector, cam solonoid, EGR, timing chain.... I am taking it back in in two days, and again thank you.
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You're welcome. I believe you have to remove the injector packs to get at the plugs. They probably didn't put one of them back together properly.
I'd challenge any additional charges as it's pretty obvious the are responsible. Either something needs to be re-tightened, or something broke. In either case, they did it and don't readily accept any other explanation.
Changing the plugs in this vehicle is a real challenge. The 2 closest to the cabin of the vehicle are really difficult to reach. I suspect one of these is the culprit. They recently developed a work-around to get at these plugs which involves jacking the engine up to create more room to work. Hopefully you took it to someone familiar with this tactic. If not, it readily explains how they messed things up.
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