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 sensor
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speed
Level 1 User

Joined: 01 Jan 2006
Posts: 21

Posted: Tue Jan 03, 2006 12:49 pm

can any1 shead any light on what a TDC sensor is plz and what effects if has if not working
Neal
Forum Moderator

Joined: 18 Feb 2004
Posts: 7432

Posted: Tue Jan 03, 2006 12:53 pm

Mounted on top of the gearbox and reads the teeth on the flywheel. If it doesn't work the engine doesn't run.

What problems are you experiencing? I'm sure we can help.
Dan
Site Subscriber

Joined: 28 Jan 2005
Posts: 3547

Posted: Tue Jan 03, 2006 12:54 pm

if its not working completly the engine wont run.

It detects what angle the crank is, and tells the ECU when to fire the injectors and spark.

if you have a rev counter, it wont be reading when its turning over.
speed
Level 1 User

Joined: 01 Jan 2006
Posts: 21

Posted: Tue Jan 03, 2006 1:05 pm

ok then i just got me a megane F7R and it does no idle its having a service and im going to look at/ clean ICV and TB, clean,replace earths. i just was reading on net bout TDC... any sugestions on idle plz. its got 63k on clock if that makes a diff
Dan
Site Subscriber

Joined: 28 Jan 2005
Posts: 3547

Posted: Tue Jan 03, 2006 1:07 pm

i'd say clean the TB, and ICV then see what happens
speed
Level 1 User

Joined: 01 Jan 2006
Posts: 21

Posted: Sun Jan 08, 2006 10:57 am

i just cleaned the ICV and TB and now it idles at 1100, but i have noticed i have a little pipe with half a little barrel connector just hanging there any1 know what this could be i also have a nipple on the airbox whats not connected i already have breather on....help
Dan
Site Subscriber

Joined: 28 Jan 2005
Posts: 3547

Posted: Sun Jan 08, 2006 10:59 am

pictures would be really helpful here if you could.
speed
Level 1 User

Joined: 01 Jan 2006
Posts: 21

Posted: Sun Jan 08, 2006 11:30 am

cant do pics but i will try explain

infront of the breather theres like a valve thing with a metal tube going in the bottom and at the top there are a few lil pipes one of them runs across angine bay and connects near os haed light and theres another about 3inch long with a half of barrel type connector just hanning and i can not see anything to connect to it, its only small the id of pipe is bout 2mm.

on the air box there is 2 nippels one of wich has the breather pipe on and theres just 1 with nothing to connect its the same size of the breather nipple....
Dan
Site Subscriber

Joined: 28 Jan 2005
Posts: 3547

Posted: Sun Jan 08, 2006 11:32 am

that sounds like a vacuum pipe, that would cause the revs to go up!
speed
Level 1 User

Joined: 01 Jan 2006
Posts: 21

Posted: Mon Jan 09, 2006 11:39 am

ive identified the vac pipe its the filter unit does this require a sponge type filter as i only have a case?
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