Transit connect no boost

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Apr 8, 2018 | 08:16 AM

RSBryden

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From: Essex (pitsea)

Transit connect no boost

Hi guys my transit isn’t boosting right! It is 1.8 tddi
it drives perfect with no lights on dash and does have a little smoke ever now and again under high revs!
it drives like there is no turbo to power it, yet u can hear the turbo spinning and whistling when driving! I’ve checked the pipes and replaced the front 2 pipes either side of cooler but it’s still the same!
any ideas lads

Apr 8, 2018 | 04:22 PM

GVK.

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From: Lincs.

Check the boost hose that's near the fuel filter that goes onto the inlet manifold, usually splits underneath.

Apr 9, 2018 | 09:59 AM

RSBryden

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From: Essex (pitsea)

Quote:

Originally Posted by GVK.

Check the boost hose that's near the fuel filter that goes onto the inlet manifold, usually splits underneath.

hi thankyoh for the reply! Is that the pipe at the back of the engine, rear left with the elbow! I’ve had that off n it seems fine to me!

Apr 9, 2018 | 11:08 AM

coswurv

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From: oxford

I’d like to know if you sort it because we have a 04 plate connect tddi with similar symptoms it will boost till about 2.5k revs then goes completely flat I’ve checked the turbo and it spins fine, revved it and can hear it and see it has no splits in hoses and the hoses swell where it’s creating boost, I’ve even had the turbo to actuator pipe off and it still won’t boost any harder or past 2.5k ?

Apr 9, 2018 | 01:49 PM

GVK.

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From: Lincs.

Quote:

Originally Posted by RSBryden

hi thankyoh for the reply! Is that the pipe at the back of the engine, rear left with the elbow! I’ve had that off n it seems fine to me!

Yes at the back left as you look at it from the front.

Apr 9, 2018 | 01:50 PM

GVK.

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From: Lincs.

Could be an EGR fault, make up / buy a blanking plate, blank off the EGR and try it.

Apr 9, 2018 | 04:44 PM

RSBryden

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From: Essex (pitsea)

Quote:

Originally Posted by GVK.

Could be an EGR fault, make up / buy a blanking plate, blank off the EGR and try it.

i have done the egr blank mate! The only other option I guess is the intercooler?

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Apr 16, 2018 | 12:30 PM

coswurv

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Quote:

Originally Posted by RSBryden

i have done the egr blank mate! The only other option I guess is the intercooler?

any updates on this ?

Apr 16, 2018 | 04:19 PM

dojj

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From: Little India

they are notorious for blowing the intercooler pipes

the earlier one were rubber, the replacements are canvas

Apr 16, 2018 | 05:32 PM

#10

RSBryden

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From: Essex (pitsea)

I have had all the pipes off and can’t seem to source a leek! I’m guessing there is a pin hole that only appears when under load! I’m gone be replacing all the pipes this weekend

Apr 25, 2018 | 03:52 PM

#11

coswurv

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From: oxford

I had all the pipes off mine yesterday and can’t find any leaks even the intercooler is leak free, looks like someone has already fitted the plate for the egr blank. So the search continues here, what about a blocked cat in the exhaust ?

Apr 25, 2018 | 11:34 PM

#12

GVK.

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From: Lincs.

Could be! Worth dropping the DP off the turbo and trying it..

Apr 26, 2018 | 08:25 AM

#13

Glenn_

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Is there a little actuator on the inlet manifold. It looks a bit like a turbo actuator??? I've had one on the past where the small c clip has fallen off and the actuator rod had come off.

I think this fault might of been on a tdci though.

Apr 26, 2018 | 11:07 AM

#14

GVK.

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From: Lincs.

Thats the anti-run on valve Glenn, not sure the earlier ones had that mate.

Apr 26, 2018 | 12:13 PM

#15

Fartblood

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From: Northampton

Quote:

Originally Posted by GVK.

Could be an EGR fault, make up / buy a blanking plate, blank off the EGR and try it.

An MOT failure from next month.

Apr 26, 2018 | 12:47 PM

#16

GVK.

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From: Lincs.

I said try it... doesn't mean it should be a permanent fixture.....

Apr 26, 2018 | 09:24 PM

#17

DangerousBryan

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From: sheffield,s.yorks

Get the injectors checked. It needs fuel to make boost.if there's a lot of leak back there's not much going in the engine and not much exhaust gasses to spin the turbo.

Apr 28, 2018 | 07:06 AM

#18

RichieST

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Quote:

Originally Posted by Fartblood

An MOT failure from next month.

Will mot testers now be disassembling every vehicle's egr valve to see if a blank has been fitted?

Apr 28, 2018 | 11:09 AM

#19

GVK.

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From: Lincs.

Doubt it, lol!

Apr 28, 2018 | 05:32 PM

#20

gcfcos

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Quote:

Originally Posted by RichieST

Will mot testers now be disassembling every vehicle's egr valve to see if a blank has been fitted?

I won't be lol

May 16, 2018 | 11:51 AM

#21

coswurv

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From: oxford

Quote:

Originally Posted by RSBryden

I have had all the pipes off and can’t seem to source a leek! I’m guessing there is a pin hole that only appears when under load! I’m gone be replacing all the pipes this weekend

did you change the pipes?, has it made any difference ?

Jan 5, 2020 | 08:54 AM

#22

Ryan Stubbs

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From: barnsley

no boost

i had the same problem drove ok up to just over 2 k turbo sound etc after 2 k would go flat and smoke i changed all pipes etc blanked egr off and then found the problem when i took dp off and noticed the actuator was seized put a new one on and all is good now

Jan 5, 2020 | 08:55 AM

#23

coswurv

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From: oxford

Quote:

Originally Posted by Ryan Stubbs

my problem actually turnt out to be boost control solenoid, I bypassed it to check and boost was back

Jan 5, 2020 | 01:00 PM

#24

RSBryden

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From: Essex (pitsea)

Sorry for the long delay in reply! Bloody password wouldn’t work and wouldn’t let me reset it.... sorted now. The transit I sold in the end mate. Turned out to be a little hole in the weld of the inter cooler. Replaced it and it was running a lot better