Transit connect no boost

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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

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08-04-2018, 04:22 PM

GVK.

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

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09-04-2018, 09:59 AM

RSBryden

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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!

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09-04-2018, 11:08 AM

coswurv

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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 ?

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09-04-2018, 01:49 PM

GVK.

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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.

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09-04-2018, 01:50 PM

GVK.

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

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09-04-2018, 04:44 PM

RSBryden

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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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16-04-2018, 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 ?

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16-04-2018, 04:19 PM

dojj

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they are notorious for blowing the intercooler pipes

the earlier one were rubber, the replacements are canvas

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16-04-2018, 05:32 PM

#10

RSBryden

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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

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25-04-2018, 03:52 PM

#11

coswurv

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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 ?

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25-04-2018, 11:34 PM

#12

GVK.

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

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26-04-2018, 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.

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26-04-2018, 11:07 AM

#14

GVK.

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

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26-04-2018, 12:13 PM

#15

Fartblood

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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.

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26-04-2018, 12:47 PM

#16

GVK.

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

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26-04-2018, 09:24 PM

#17

DangerousBryan

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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.

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28-04-2018, 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?

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28-04-2018, 11:09 AM

#19

GVK.

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Doubt it, lol!

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28-04-2018, 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

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16-05-2018, 11:51 AM

#21

coswurv

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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 ?

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05-01-2020, 08:54 AM

#22

Ryan Stubbs

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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

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05-01-2020, 08:55 AM

#23

coswurv

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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

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05-01-2020, 01:00 PM

#24

RSBryden

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