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turbo boost problem

1492 Views 2 Replies 3 Participants Last post by  chittychittybangbang, 
S
have a 03tdi 130 bhp passat showing a p code p1557
should i just change hole turbo or try n75 and vnt first ???:eek
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G
Hi - I have an 03 galaxy with the same code. The galaxy has the 115 bhp 1.9 TDI. Yes, it is a VW engined ford. The symptoms are it goes into limp mode shortly after starting. Stop and restart will always cure it and it wont happen agin on that trip. So far the fraud garage recommended chnaging the MAP, which i did, and it had no effect. I have just had the local garage switch the EGR and N75 solenoids for a test to see if it makes any difference. No repeat yet, but the mod was only done yesterday. What are you symptons steve? Graham
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