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mk1 vrs boost issues

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Hey everyone,

As it says I got boost issues or lack off boost more to the point.

I'm only getting 0.4 bar

Unplugging the maf no diff just my traction control light comes on. Dv is stock and has no leaks. Only error code is boost between inlet and somthing the common on.

If unplug the pipe to the waste gate it will reach required boost.

Help? Ive done a 249 delete already

Checked all boost hoses and vaccum lines no issues found. I'm at a bit off a loss? Could the n75 cause this problem or isit going to soft limp because off somthing else?

Thank you to anyone that can help

  • Author

Well for anyone wondering if seeing this having the same issue. It turned out it was the n75 valve at fault and staying open..another valve on and it's back up to its remapped boost off 1.5 bar a max peak going down to 1bar at the Red line.

Sorry mate I didn't get round to respond yesterday, I intended to but didn't get chance. Glad you sorted it. Disconnecting that hose and making boost pretty much told you what you needed to know anyway.

  • Author

No drama buddy I'm glad it was somthing so simple after spending a day on vag com doing tests reading values etc it come out as ok even the valve showed a resistance off 35ohms

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