High Idle when hot - low power on up hill

[fixkick]

WOW, I am so impressed of your knowledge about all this !
(can I borrow it for a couple of days ;D )
Thank you very much for your detailed answer.
I am sorry that did not replied earlier - I did not received any
email that telling I have a reply to my thread... So just now I entered
to check if somebody replied and I did not received a mail about it..
Just noticed that I have a subscribe to this thread option - just applied it...

Anyway here is a picture of my engine that I had in my phone...
and I am going now to take a picture of the tag...

The cam timing belt was replaced about 2 years ago.

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Hello,
Here is the picture of the tag...

Is there any way to check if the CAT converter is OK ?

yes, the default is no emails... kinda odd but that is the default.till tuned on...

your welcome. glad to HELP you you,.
looks like normal 16v engine, no cruise, no a/t (only 1 throttle cable)
super nice body tag... very clear.
not made at CAMI, but in real Japan, factory, CODE 1.
market code 54 is Israel
suzuki FACTORY plant 1, Not sure. but is in Japan somewhere, 4 = Iwata, 1 somewhere else in Japan..
year code V. 1997
4 speed automatic trans.
16valves , MPI EFI , no carb as many had.

here is your full decode.

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this market code. 54, is same ECU as in e22= Germany
has no EGR (very good can't stick and stall engine) also means custom spark timing or cam to prevent engine, ping/knock,(or lower compression)_
and has only one 02 sensors. if at all. (some JDM G16a have no 02) yours is not a JDM.
see the 0xygen sensor at end of exhaust header? ??
has EVAP. system (smog vents)

nice work finding the chassis tag...
car is 7 car made in year 1997 , my guess made, July1, 1996, in Japan. Fiscal year.

i restored 3 of these cars and helped, others, many others...
have large collection of data/books etc. on them.
The G16 MPI is only hard, to diagnose, with injector leaks, clogs or induction air leaks,(vacuum)
the ecu has no immobilizer, a good thing.
ok, i can now see all parts used in e54 market.