T4 2.5 ajt..no power

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   Please for the love of god some one help me..my t4 syarts every day first turn of the key and drives however its as if there is no turbo..and it wont go above 60mph .so no power getting to 60 wont go above 60 and looses wag ever power it does have at about 40ish...it now has new turbo new cat new maf..all pipe work seems fine..n75 works..checled loom no brakes done egr delete......has anyone had this problem.????? Thanks in advance

Edited by T4ali - 08 Oct 17 at 13:41

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T4ali Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 17 Location: Northants Status: Offline Points: 4	Post Options Post Reply Quote T4ali Report Post Thanks(0) Quote Reply Topic: T4 2.5 ajt..no power Posted: 08 Oct 17 at 13:40
	Please for the love of god some one help me..my t4 syarts every day first turn of the key and drives however its as if there is no turbo..and it wont go above 60mph .so no power getting to 60 wont go above 60 and looses wag ever power it does have at about 40ish...it now has new turbo new cat new maf..all pipe work seems fine..n75 works..checled loom no brakes done egr delete......has anyone had this problem.????? Thanks in advance Edited by T4ali - 08 Oct 17 at 13:41

randolph57 Members Profile Send Private Message Find Members Posts Add to Buddy List Yardie Joined: 21 Dec 08 Location: plymouth Status: Offline Points: 395	Post Options Post Reply Quote randolph57 Report Post Thanks(0) Quote Reply Posted: 09 Oct 17 at 20:31
	have you access to vagcom or ant type of code reader?? Before you spend any more cash check fault codes. If you have sufficient air/fuel delivered at the correct time there should be power-if engine parameters are not being met and noticed by ECU you will not! Sounds likeits working as a 'normally aspirated ' diesel for one or more reasons so I would be checking for: correct boost pressures against pressure demanded N75 operation boost pipe leaks but first get access to vagcom and someone who can interperet the data Edited by randolph57 - 09 Oct 17 at 20:32

T4ali Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 17 Location: Northants Status: Offline Points: 4	Post Options Post Reply Quote T4ali Report Post Thanks(0) Quote Reply Posted: 09 Oct 17 at 21:26
	Hi thank u 4 reply...ive had it plugged in no codes...thank you for your reply...

donecan Members Profile Send Private Message Find Members Posts Add to Buddy List Yardie Joined: 19 Mar 10 Location: Bristol/ London Status: Offline Points: 569	Post Options Post Reply Quote donecan Report Post Thanks(0) Quote Reply Posted: 09 Oct 17 at 21:50
	Was your new maf genuine bosch? Heard stories of the cheaper ones not always solving the issue...

T4ali Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 08 Oct 17 Location: Northants Status: Offline Points: 4	Post Options Post Reply Quote T4ali Report Post Thanks(0) Quote Reply Posted: 12 Oct 17 at 17:21
	Yes gem bosh maf buddy