Liam121093 Posted August 4, 2017 Share Posted August 4, 2017 Hello My car is really frustrating me now it works fine on the flat or up a steep hill but if I go up a long hill my boost cuts from 18-21psi to about 5-6psi usually in 3rd. I have checked all pipes I have changed the map sensor and MAF sensor. Checked wastegate is holding vacuum. Any idea or suggestions would be greatly appreciated Quote Link to comment Share on other sites More sharing options...
Damien Posted August 4, 2017 Share Posted August 4, 2017 Does the 1.6 TDCI have an electronic actuator on the Turbo......it might be worth a look. Quote Link to comment Share on other sites More sharing options...
Liam121093 Posted August 4, 2017 Author Share Posted August 4, 2017 No bud it has a vacuum solenoid that controls the the wastegate. Quote Link to comment Share on other sites More sharing options...
Damien Posted August 4, 2017 Share Posted August 4, 2017 Ok , it sounds like the turbo is not producing boost and the engine is "sucking" on the turbo pipes instead of them being under pressureEven though you can hear the turbo spooling i would double check to see if its turning ok and has not got a lot of play in it (you can take the inlet hose off the front of the turbo to do this)could be siezed or seals have goneif its a fixed vane the wastegate may be jammed openvariable vane - faulty actuatorcould be a blockage upstream of the turboor the EGR valve stuck open or a leak before the turbinei would keep an eye on the oil level to see if it is using oili would get a code reader see if faults come up mate. Quote Link to comment Share on other sites More sharing options...
Liam121093 Posted August 4, 2017 Author Share Posted August 4, 2017 Turbo will work lovely on the flat but for some reason on long uphill the turbo almost cuts out. I have forscan and I'm getting turbo uderboost but not showing eml. Egr has been mapped out and blanked. I have checked for play and there's nothing shaft spins freely. There is oil from the centre of the turbo running down the back of the inlet side of the turbo. Quote Link to comment Share on other sites More sharing options...
Damien Posted August 4, 2017 Share Posted August 4, 2017 There is a common bolt hard to tighten on the 1.6 that I think can cause oil leak YouTube it or google images mate 1 Quote Link to comment Share on other sites More sharing options...
Liam121093 Posted August 5, 2017 Author Share Posted August 5, 2017 So today I did a static regeneration because I can't go on the motorway due to turbo cutting out. I noticed exhaust gases escaping between the turbo and dpf, I checked the clamp and all is tight. My boost still cuts out no idea why but I think I might have to buy a turbo see if that works, What do you guys think ? Quote Link to comment Share on other sites More sharing options...
Liam121093 Posted August 5, 2017 Author Share Posted August 5, 2017 Turns out its the boost solenoid on the back of the engine just hope it works fully now 2 Quote Link to comment Share on other sites More sharing options...
Damien Posted August 6, 2017 Share Posted August 6, 2017 Fingers crossed mate least it's sorted 👍 1 Quote Link to comment Share on other sites More sharing options...
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