Does Landcruiser 100 series 1HZ have a computer chip?

NO

Cheers Steve

Nope. The 1Hz is an old fashioned old technology power plant. And that's it's beauty. No puters, no limp home mode, nothing that can't be fixed by a good bush mechanic.
Treasure it because AFAIK there won't be many similar engines in the new 4wds.

If its the later 100/105 series then the answer is YES,the have an EGR controller which also controls the timing control valve & vacuum signal to the DAC on the pump which can greatly effect power but not cause any fatal problems.

Matt

The 1hz is still an old technology fuel system, but even it has had some chips hung off it...the 105 is full of chips that run all sorts of things, but not the fuel system.
To point out the difference....a friend swamped his 2003 1hz gxl in a river....he pulled it out of the river with aid of a tractor and camped by the creek 3 days before driving it 250kms home....he was draining the water trap every 10kms, but he made it home.....pity insurance wrote it off and then onsold it, bodywork undamaged for 15k to someone who knew how to dry it out. It had water in everything. The only things that obviously didnt work properly were the door locks and windows.
A hdfte would still be besides the river, or would have needed towing further to where a towtruck could get to it.
Andrew hdft 80 series

Hi guys,
Dad's 04 GXL with the 1HZ has engine management fuses and ecu fuses so I would say yes especially looking at the wires around the pump.
Won't be fully controlled but some things are.
Regards
Dave

The answer is NO they don't have a computer chip as I first suggested.

Especially the 2000 model I have 3 2000 plated engines in my front yard 1 in an 105 series 1 in a Troopy and one out of a Troopy I wrecked last year, None of them have a computer chip, The 2002 and 2003 105 series I own don't have a computer chip either.

The 2003 Has the TPS valve, I believe is called a Throttle Position Sensor Valve, these are manually adjusted as this is what they did to my car in cairns 4 weeks ago.

Cheers Steve.

Just to confuse the issue my 1hz 80 has a diognostic plug
- however it also has alot of other wires that appear to not go anywhere and have no function