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Old 19-06-2020, 09:22 PM   #1
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Default 2010 vw caddy fault codes

I've plugged a codereader into my caddy which is down on power, and it's came up with P0236 turbo boost Scencer A circuit range/performance, and P2279 air system intake leak. What does they mean and what will fix them.
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Old 20-06-2020, 12:19 AM   #2
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I've plugged a codereader into my caddy which is down on power, and it's came up with P0236 turbo boost Scencer A circuit range/performance, and P2279 air system intake leak. What does they mean and what will fix them.
Thanks Simon
You are probably looking at a split boost air hose. This could be from turbo to charge cooler or charge cooler to intake manifold. Do you have any other symptoms like unusual engine noises.

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Old 20-06-2020, 12:25 AM   #3
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You are probably looking at a split boost air hose. This could be from turbo to charge cooler or charge cooler to intake manifold. Do you have any other symptoms like unusual engine noises.

Phil
No unusual sounds just a large drop in power 50mph is top speed and if you go up a hill the speed drops and you have to drop years,
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Old 20-06-2020, 12:43 AM   #4
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No unusual sounds just a large drop in power 50mph is top speed and if you go up a hill the speed drops and you have to drop years,
Thanks Simon
A smoke test of the air intake system is the best way to check for boost circuit leaks. Another thing to check is the turbocharger for bearing wear or seizure. Remove the intake trunking from air filter to turbo (engine off) and check that the turbo spins freely with only slight play in the shaft bearings.

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Old 20-06-2020, 12:54 AM   #5
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Thanks I will check the turbo tomorrow and report back
Thanks Simon
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Old 24-06-2020, 12:30 AM   #6
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Blown gasket at egr valve previous owner has been working on that, so refit gasket and see it that cures problems
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Old 26-06-2020, 01:07 AM   #7
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Oh bugger I stuck it in a garage to get checked out and they are telling me the turbo is knackered and that the egr has been blanked, so it looks like I need to replace the turbo and would I need to replace the egr or just leave it blanked?
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Old 19-10-2020, 12:48 AM   #8
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Turbo replaced, egr cooler replaced, sensor for turbo replaced, timing belt, water pump and van has been serviced and it runs lovely but wallet is crying
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