Tech Diesel Civic

Buzby · 25th January 2008, 15:18

Hello,

Could somebody please tell me EXACTLY what iCTDi stands for.

Thanks in advance

Buzby

IanG · 25th January 2008, 15:26

Intelligent-Common Rail Diesel Turbo Injection ???

FWH · 25th January 2008, 15:30

Looked on the Honda website.
This is the only abrieviation they did not fully explain!

It just said that the first i was for intelligent...

intelligent commonrail diesel turbo ? intercooler?

smurf79 · 25th January 2008, 15:32

IanG got it right. Its intelligent commonrail turbo diesel injection. i-vtec is intelligent variable valve technology

Pottsy · 25th January 2008, 15:35

All is revealed here:

i-CTDi

FWH · 25th January 2008, 15:42

Wiki abbreviation list updated.

Buzby · 25th January 2008, 16:12

Intelligent Commonrail Turbo Diesel Injection

Thanks everyone its been annoying me for ages, glad to know what it stands for!!

Buzby

philiphenderson · 25th January 2008, 16:26

Don't ya just love forums. Helpful little things they are.

Phil.

FWH · 25th January 2008, 16:28

Quote:

Originally Posted by philiphenderson

Don't ya just love forums. Helpful little things they are.

Phil.

15:18 - Case opened
15:35 - Case closed
15:42 - Documentation updated
16:12 - Case submiter verifies receiving information

Result in under an hour.

Opelguy · 25th January 2008, 17:11

CDTI, CTDI, TDCI, TDI.

Four different brand names for the same thing (except old VW-engines with PD instead of CR).

Pottsy · 25th January 2008, 17:19

You missed the Fiat one: TurD

smurf79 · 25th January 2008, 18:24

How about Saab? Theirs is TiD or TTiD for the new twin turbo one

ASH · 25th January 2008, 22:07

Quote:

Originally Posted by smurf79

IanG got it right. Its intelligent commonrail turbo diesel injection. i-vtec is intelligent variable valve technology

Sorry, I know it's not the issue here but I've looked up to find VTEC stands for Variable Valve Timing and Lift Electronic Control. Should it be VVTLEC?

l-noel · 25th January 2008, 23:12

Quote:

Originally Posted by Pottsy

You missed the Fiat one: TurD

And two French one HDI for Peugeot/Citroen DCI for Renault

Brodick · 26th January 2008, 12:33

I-ctdi soon to be replaced with I-dtec !!!!

sergiogon · 30th May 2008, 16:45

intelligent-diesel turbo electronic lift control???
i-DTEC?

rmh999 · 30th May 2008, 18:19

Who cares as long as it goes whoosh when i press the pedal

mr bluetoon · 31st May 2008, 02:35

Quote:

Originally Posted by Pottsy

You missed the Fiat one: TurD

DerChef · 1st June 2008, 12:27

Basically years ago most passenger car diesels were indirectly injected, they used a rotary injector pump to inject into an anti chamber (called a "ricardo gomet") off from the main cylinder heard.

(this is opposed to gasoline engines that inject at low pressure into the intake manifold)

The reason for this was that injecting directly into the top of the cylinder itself caused very violent uncontrolled spontaneous combustions and the engine was noisy and rattly. However it was much more efficient than the indirect injection method that had considerable pumping losses down teh narrow throat from the anti chamber.

Then with the advent of more advanced electronic means of injection timing we saw the first generation of modern direct injection. eg VW/Audi TDi and rover group L series ect.

THEN a big advance the rotary got done away with in favour of two much more advanced systems

PD (VW Audi) these are electronic unit injectors i.e the injectors themselves do the pumping like hypodermic syringes

Common Rail (almost everybody else) uses a reservoir of fuel under pressure that can be drawn from and advanced electronically controlled injectors.

PD advantages can inject at very high pressures hence much more efficient combustion. Disadvantages is generally less refined and the injectors themselves are noisy (make a clack clack sound).

Common Rail cannot inject at as high a pressures as PD engines as it is not safe to do so. However common rail can do things like pre injection to make the rise in temperature and pressure much less sudden and this has a big boost to refinement.

simon1 · 1st June 2008, 14:46

Interesting bit of info. Having owned both now, is it then fair to say that PD is more fuel efficient than common rail? I can say I have found it so.

25th January 2008, 15:18	#1 (permalink)
Buzby Supporter Valve Cap Join Date: 16th February 2007 Location: Stockport, Cheshire Posts: 40 Thanks: 1 Thanked 0 Times in 0 Posts	Diesel Civic Hello, Could somebody please tell me EXACTLY what iCTDi stands for. Thanks in advance Buzby

25th January 2008, 17:11	#10 (permalink)
Opelguy Valve Cap Join Date: 4th January 2008 Location: Sweden Posts: 21 Thanks: 0 Thanked 0 Times in 0 Posts	CDTI, CTDI, TDCI, TDI. Four different brand names for the same thing (except old VW-engines with PD instead of CR). Last edited by Opelguy; 25th January 2008 at 17:15.

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This thread is about: Diesel Civic, it's in Engines and Transmission at the Honda Civic forum Civinfo; Hello, Could somebody please tell me EXACTLY what iCTDi stands for. Thanks in advance Buzby...

25th January 2008, 15:26	#2 (permalink)
IanG Supporter Triangular Exhaust Join Date: 21st January 2007 Location: Durham Posts: 234 Thanks: 1 Thanked 2 Times in 2 Posts	Intelligent-Common Rail Diesel Turbo Injection ???

25th January 2008, 15:30	#3 (permalink)
FWH Super Moderator Civinfo master Join Date: 3rd June 2007 Location: Sweden Posts: 5,227 Thanks: 6 Thanked 44 Times in 39 Posts	Looked on the Honda website. This is the only abrieviation they did not fully explain! It just said that the first i was for intelligent... intelligent commonrail diesel turbo ? intercooler?

25th January 2008, 15:32	#4 (permalink)
smurf79 Supporter Triangular Exhaust Join Date: 10th August 2007 Location: Bolton, England Posts: 359 Thanks: 8 Thanked 12 Times in 10 Posts	IanG got it right. Its intelligent commonrail turbo diesel injection. i-vtec is intelligent variable valve technology

25th January 2008, 15:35	#5 (permalink)
Pottsy Administrator Civinfo master Join Date: 10th April 2006 Location: Leics Posts: 5,039 Thanks: 13 Thanked 95 Times in 50 Posts	All is revealed here: i-CTDi

25th January 2008, 15:42	#6 (permalink)
FWH Super Moderator Civinfo master Join Date: 3rd June 2007 Location: Sweden Posts: 5,227 Thanks: 6 Thanked 44 Times in 39 Posts	Wiki abbreviation list updated.

25th January 2008, 16:12	#7 (permalink)
Buzby Supporter Valve Cap Join Date: 16th February 2007 Location: Stockport, Cheshire Posts: 40 Thanks: 1 Thanked 0 Times in 0 Posts	Intelligent Commonrail Turbo Diesel Injection Thanks everyone its been annoying me for ages, glad to know what it stands for!! Buzby

25th January 2008, 16:26	#8 (permalink)
philiphenderson Supporter Locking Wheelnut Join Date: 6th September 2007 Location: Tyne and Wear Posts: 118 Thanks: 0 Thanked 0 Times in 0 Posts	Don't ya just love forums. Helpful little things they are. Phil.

25th January 2008, 17:19	#11 (permalink)
Pottsy Administrator Civinfo master Join Date: 10th April 2006 Location: Leics Posts: 5,039 Thanks: 13 Thanked 95 Times in 50 Posts	You missed the Fiat one: TurD

25th January 2008, 18:24	#12 (permalink)
smurf79 Supporter Triangular Exhaust Join Date: 10th August 2007 Location: Bolton, England Posts: 359 Thanks: 8 Thanked 12 Times in 10 Posts	How about Saab? Theirs is TiD or TTiD for the new twin turbo one

26th January 2008, 12:33	#15 (permalink)
Brodick Perfect Guy! Rocketship door handle Join Date: 2nd December 2006 Location: Central Scotland Posts: 1,706 Thanks: 0 Thanked 6 Times in 5 Posts	I-ctdi soon to be replaced with I-dtec !!!!

30th May 2008, 16:45	#16 (permalink)
sergiogon Wheelnut Join Date: 2nd March 2008 Location: Portugal Posts: 51 Thanks: 7 Thanked 0 Times in 0 Posts	intelligent-diesel turbo electronic lift control??? i-DTEC?

30th May 2008, 18:19	#17 (permalink)
rmh999 Supporter Locking Wheelnut Join Date: 3rd August 2006 Location: Swindon, UK Posts: 158 Thanks: 0 Thanked 1 Time in 1 Post	Who cares as long as it goes whoosh when i press the pedal

1st June 2008, 12:27	#19 (permalink)
DerChef Valve Cap Join Date: 15th April 2008 Location: Tyrone, Ulster Posts: 34 Thanks: 0 Thanked 0 Times in 0 Posts	Basically years ago most passenger car diesels were indirectly injected, they used a rotary injector pump to inject into an anti chamber (called a "ricardo gomet") off from the main cylinder heard. (this is opposed to gasoline engines that inject at low pressure into the intake manifold) The reason for this was that injecting directly into the top of the cylinder itself caused very violent uncontrolled spontaneous combustions and the engine was noisy and rattly. However it was much more efficient than the indirect injection method that had considerable pumping losses down teh narrow throat from the anti chamber. Then with the advent of more advanced electronic means of injection timing we saw the first generation of modern direct injection. eg VW/Audi TDi and rover group L series ect. THEN a big advance the rotary got done away with in favour of two much more advanced systems PD (VW Audi) these are electronic unit injectors i.e the injectors themselves do the pumping like hypodermic syringes Common Rail (almost everybody else) uses a reservoir of fuel under pressure that can be drawn from and advanced electronically controlled injectors. PD advantages can inject at very high pressures hence much more efficient combustion. Disadvantages is generally less refined and the injectors themselves are noisy (make a clack clack sound). Common Rail cannot inject at as high a pressures as PD engines as it is not safe to do so. However common rail can do things like pre injection to make the rise in temperature and pressure much less sudden and this has a big boost to refinement.

1st June 2008, 14:46	#20 (permalink)
simon1 Triangular Exhaust Join Date: 10th December 2007 Location: UK Posts: 268 Thanks: 3 Thanked 5 Times in 5 Posts	Interesting bit of info. Having owned both now, is it then fair to say that PD is more fuel efficient than common rail? I can say I have found it so.