Hard to start

This sounds like a typical engine coolant temperature sensor issue. What happens is the sensor becomes a little off but not enough to trigger a check engine light but still cause engine start up problems.

Here is a guide and some diagrams to help you see what you are in for and how to get the problem fixed:

https://www.2carpros.com/articles/coolant-temperature-sensor-cts-replacement

and

https://www.2carpros.com/articles/engine-cranks-excessively-before-starting

Below is the location of the engine coolant sensor for your car I got the location for both engines just in case.

Tighten the ECT sensor to 25 N.m (18.5 lb ft) .

Please let us know what happens.

Cheers, Ken