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Author Topic: gt tdi 140 starting issues  (Read 8403 times)

Offline Ben Smith

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gt tdi 140 starting issues
« on: July 25, 2012, 09:20:14 pm »
Hi all, I recently bought a gt tdi 140 off my sister and I must say, I love it. But we are having one issue. 1st thing in the morning it starts fine but then after that it seems to crank over for a while before it will fire and the battery starts to sound lazy and die. Now I know what you are thinking, dodgy battery! But I've but the tester on it at work a few times now and always shows as good. A lad next door is having the same trouble with his a3 140 tdi. He's been told about problems with starters, but i'd like to find the problem before chucking parts at it!

Any ideas?

maybe heater plugs? but would of thought it wouldn't start in the mornings then?!

Many thanks

Ben.
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Offline Andy

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Re: gt tdi 140 starting issues
« Reply #1 on: July 25, 2012, 09:22:42 pm »
the 140 some times have trouble to start -when they are warm which can be fixed--but the life of me i can't think of the part
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Offline Ben Smith

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Re: gt tdi 140 starting issues
« Reply #2 on: July 25, 2012, 09:28:23 pm »
It really is strange, i'd swear the battery is on it's way out but shows as good.

I did think maybe starter is seizing?
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Offline Neiltdi

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Re: gt tdi 140 starting issues
« Reply #3 on: July 25, 2012, 09:47:42 pm »
My 1.9tdi is the same when its warm if you turn off then go to start again it takes a while to start
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Offline stevw1

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Re: gt tdi 140 starting issues
« Reply #4 on: July 27, 2012, 09:29:22 pm »
Same issue with my 140, ive had the plugs checked too and Glowplug loom. Come on, someone must know  :confused:
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Offline Neiltdi

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Re: gt tdi 140 starting issues
« Reply #5 on: July 27, 2012, 09:47:45 pm »
Took my car to jkm for a revo re-map today and they plug in before and after and it seems whoever did my cambelt hasnt timed the cam up properly its-7 degrees out which can cause bad starting when warm
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Offline JoeDarKa

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Re: gt tdi 140 starting issues
« Reply #6 on: July 28, 2012, 05:44:15 pm »
My camshaft position sensor was broken on mine which was making it hard to start once warm
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Offline Statller-Stevo

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Re: gt tdi 140 starting issues
« Reply #7 on: August 16, 2012, 09:23:02 pm »
Quote from: Ben Smith on July 25, 2012, 09:28:23 pm
It really is strange, i'd swear the battery is on it's way out but shows as good.

I did think maybe starter is seizing?

If it turns over slow when warm & the batterys good it will be the starter, if it cranks  fast but doesn't catch could be other things, we fit lots of Crank sensors & pick up rings for the fast crank but no catch fault when warm on the
1.9 & 2.0 PPD's
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Offline B1NCC 1.8T

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Re: gt tdi 140 starting issues
« Reply #8 on: August 22, 2012, 10:34:31 pm »
Common problem on the 140s diesels
I've changed a lot of starter motors on these due bad starting when warm

After a few miles get on these engines the starters get tierd with use
They don't spin the engine over fast enough to start when warm/hot

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Offline daboy3000

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Re: gt tdi 140 starting issues
« Reply #9 on: October 08, 2012, 04:09:23 pm »
I'm having this problem too, for 18 months now infact but only recently has it started to fail to start at all and i have to bump it.  Happens when it's very cold or if I have been driving for a while (not every time though).  The car has recently been serviced and I had a new starter motor fitted, as well as new glow plugs.

Has anyone got anywhere with this?   Might try the battery but as I have just spend nearly £2500 replacing Turbo, intercooler etc I really can't afford to start another guessing game.
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Offline Marshall

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Re: gt tdi 140 starting issues
« Reply #10 on: October 17, 2012, 11:47:36 am »
On octavia 140 pd I've replaced dual mass flywheels for this and also crank shaft sensors.
Most success with the crank sensors though.
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Offline daboy3000

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Re: gt tdi 140 starting issues
« Reply #11 on: October 29, 2012, 03:51:11 pm »
I have also noticed that when trying to start when i have this is, that the doors automatically lock and not openable via central locking button and i can hear a relay clicking, does this narrow it down for anyone?

Is the crank sensor a cheap and easy part to replace?
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