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There are two things that can cause this problem, the ect "engine coolant temp sensor" or the mass air flow meter. If the ect is telling the computer that the engine is colder then it really is, then the line pressure in the transmission will be to high. If the mass air flow meter is telling the pcm that it is getting more air flow then it really is, this two can case the line pressure to be to high.
If this was in my shop I could hook my scanner up to it after it had sat over night and see what the ect is reading. Most often the ect is the problem. The ect is not that much around $20.00 and is easy to replace.
Neither of these two problem will cause a check engine light to come on.
I would replace the ect and see if it fixes the problem. 90% of the time the ect is the cause.
That will be fine. If the ect does not fix this problem, let me know before you go replacing anything more.
That is correct on this engine. Some parts stores still have them listed as an ect and not a cht.
On your vet, try turning the ignition switch on wait 10 seconds, then urn it back off. Do this three times and then see how it starts.
Do you have the 2.7 or the 3.9 in this suv?
I am sorry I hit the wrong key, that should be 4.2 or the 3.9?