Gday,
I have a 2004 1kz-te hilux turbo diesel. Its got a fly by wire electronic throttle, after alot of trouble shooting i have come to the conclusion that the sluggish behaviour of the engine is because the butterfly is opening 45% of the way. I am not sure where to go from here.
Do the ECU's ever die or the throttle body motor for the butterfly? What other options do I have?
I have redone all the earths on the vehicle, pulled the ECU and inspected (seems fine), reset the ECU, cleaned all the throttle body and manifold out, inspected and adjusted everything i can on the TB aswell.
Cheers.
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1kz-te fly by wire intake
Moderators: toaddog, Elmo, DUDELUX
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Joined: Wed Jun 30, 2004 1:45 pm
Joined: Wed Jun 30, 2004 1:45 pm
Location: Blue Mountains, or on a rig somewhere in bumf*ck idaho
Re: 1kz-te fly by wire intake
I'm gonna show complete ignorance here, but why does a diesel have a butterfly/throttle body? i thought engine rpm was governed by the fuel system?Feass wrote:Gday,
I have a 2004 1kz-te hilux turbo diesel. Its got a fly by wire electronic throttle, after alot of trouble shooting i have come to the conclusion that the sluggish behaviour of the engine is because the butterfly is opening 45% of the way. I am not sure where to go from here.
Do the ECU's ever die or the throttle body motor for the butterfly? What other options do I have?
I have redone all the earths on the vehicle, pulled the ECU and inspected (seems fine), reset the ECU, cleaned all the throttle body and manifold out, inspected and adjusted everything i can on the TB aswell.
Cheers.
http://www.populationparty.org.au/
Re: 1kz-te fly by wire intake
the main butterfly is operated by the throttle cable. the 2nd butterfly is controlled by ecu depending on egr requirement or engine shutoff.
rockcrawler31, the butterfly is for emissions purposes. ie restrict airflow and suck in more egr.
rockcrawler31, the butterfly is for emissions purposes. ie restrict airflow and suck in more egr.
Re: 1kz-te fly by wire intake
The 2002-2005 hilux 1kzt-e is fly by wire, im wondering if the ecu is faulty?
Re: 1kz-te fly by wire intake
Lots of diesels have throttle body's, even my 5Le motor has onerockcrawler31 wrote:I'm gonna show complete ignorance here, but why does a diesel have a butterfly/throttle body? i thought engine rpm was governed by the fuel system?Feass wrote:Gday,
I have a 2004 1kz-te hilux turbo diesel. Its got a fly by wire electronic throttle, after alot of trouble shooting i have come to the conclusion that the sluggish behaviour of the engine is because the butterfly is opening 45% of the way. I am not sure where to go from here.
Do the ECU's ever die or the throttle body motor for the butterfly? What other options do I have?
I have redone all the earths on the vehicle, pulled the ECU and inspected (seems fine), reset the ECU, cleaned all the throttle body and manifold out, inspected and adjusted everything i can on the TB aswell.
Cheers.
3.0L turbo diesel, 4" lift, bud's front housing, track assasin cv's, air lokker front + Rear, beadlock'd 37 stickies, high steer, 15.5" travel ranchos, high pinion diff and coils on the rear
Re: 1kz-te fly by wire intake
Three reasons for butterfly on diesel:
* Shut down engine (such as 12HT)
* Reduce shut down shudder by reducing effective compression ratio (early 1HDFTE)
* Assist with egr by creating a vacuum in the intake manifold, drawing the exhaust gas in (such as late 1HD-FTE)
Bypass your EGR, remove the butterfly (leave shaft and all electric intact else it will likely throw a code
* Shut down engine (such as 12HT)
* Reduce shut down shudder by reducing effective compression ratio (early 1HDFTE)
* Assist with egr by creating a vacuum in the intake manifold, drawing the exhaust gas in (such as late 1HD-FTE)
Bypass your EGR, remove the butterfly (leave shaft and all electric intact else it will likely throw a code
LX470 1HDFTE
Performance Direct Bolt On Turbos for: 1HDT/1HDFT/1HDFTE/12HT/13BT/1VDFTV/1KDFTV
Performance Direct Bolt On Turbos for: 1HDT/1HDFT/1HDFTE/12HT/13BT/1VDFTV/1KDFTV
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