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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old March 13th, 2018, 13:31   #136
Machineman
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Which I have a spare set of lines and rails
And I also have a spare CP3 and a cp1
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Old March 13th, 2018, 13:59   #137
1.4TDI PD
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You could use a set of 3.0tdi fuel rails and cp3 or cp1 pump. The only problem then would be the ecu because the 3.3tdi uses dual ecu setup and each ecu controls 4 injectors the ecus are identical to what the 2.5tdi uses so you would need to do some rewiring and remaping and it should work in my opinion.

Last edited by 1.4TDI PD; March 13th, 2018 at 14:01.
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Old March 13th, 2018, 16:01   #138
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Quote:
Originally Posted by 1.4TDI PD View Post
You could use a set of 3.0tdi fuel rails and cp3 or cp1 pump. The only problem then would be the ecu because the 3.3tdi uses dual ecu setup and each ecu controls 4 injectors the ecus are identical to what the 2.5tdi uses so you would need to do some rewiring and remaping and it should work in my opinion.

Does the 2.5 TDI ECU have injector drivers thou ? As it's not required for a rotary pump technically I may be wrong 3.3 TDI injectors I'm assuming or solenoid based so they be easier to control
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Old March 14th, 2018, 00:03   #139
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Quote:
Originally Posted by Machineman View Post
This is my 2.5 tdi allroad this is one of the only Allroad 2.5 in North America the engine I got was brand new crate engine from Germany it has zero kilometers on it so I figured it should be good for 200,000 kilometers before any serious issues and I will keep the oil changed every 5000 kms with synthetic
What is the issue the allroad engine doesn’t run ? As diff as mentioned, vp44 pumps can be easily repaired and with 3 plungers head and larger injector nozzles they can inject a lot of fuel. No dpf to worry about, simple electrics, clutches that can cope with over 500 Bhp are readily available but let down by the DMF-it starts to rumble as torque increases. Add a pair of cam roller heads, a modern turbo and a solid inter cooler/4 bar map sensor and it becomes a very nimble car !
As for the 3.0 tdi, get emission/IMO off, simplify the engine harness (intake manifolds flap delete, EGR off, etc.) and you should get it running pretty easily. The marine version of the v6 3.0 tdi has no emission implements so getting a tune for that might be an option. I can see that fabrication is your forte, you should have it running pretty easily once you sort the electrics ! Good luck with it !
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Old March 14th, 2018, 01:12   #140
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The issue is I swap the car I haven't been able to get it running the injection pump on it was also brand new but this motor sat for 17 years with stale fuel ..... the car is throwing dtc codes for pump communication errors and measuring block 18 shows 0 pump volts also my ECU immobilizer has been deleted so I don't believe they require syncing the pump ???
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Old March 14th, 2018, 01:39   #141
1.4TDI PD
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Quote:
Originally Posted by Machineman View Post
Does the 2.5 TDI ECU have injector drivers thou ? As it's not required for a rotary pump technically I may be wrong 3.3 TDI injectors I'm assuming or solenoid based so they be easier to control
I don"t know if the 2.5tdi ecu has the injector drivers but the 3.3tdi injectors are solenoid based but they are working on 80V instead on 12V so each ECU is only able to control 4 injectors. I think that you could use the same dual ECUs on the 2.5tdi because most of the sensors are the same on both engines you would just need to disable two injectors so that there wouldn"t be any fault codes. You can find more about the 3.3tdi engine and injection system here https://drive.google.com/open?id=1t9...PgTDcT5nva0FlD https://drive.google.com/open?id=1Ci...XiA8qjr1sHfdKX
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Old March 14th, 2018, 19:44   #142
adamss24
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Quote:
Originally Posted by Machineman View Post
The issue is I swap the car I haven't been able to get it running the injection pump on it was also brand new but this motor sat for 17 years with stale fuel ..... the car is throwing dtc codes for pump communication errors and measuring block 18 shows 0 pump volts also my ECU immobilizer has been deleted so I don't believe they require syncing the pump ???
Later AKE injector pump require immo matching, YOU will need immo code and follow the procedure from Rostech website... you should get it to work...
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Old March 14th, 2018, 20:30   #143
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Even if the ECU has an IMO delete you still need to match it
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Old March 14th, 2018, 22:35   #144
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What year is your allroad ? If measuring blocks 18 show 0 volts in field two then the immo on the pump is active. I suggest you look in measuring blocks 50 to see if the immo is active... try and get something cheap like vag tacho or supervag tool reader and read the immo in the instrument cluster, then follow the procedure in Ross tech wiki on fuel pump matching...
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Old March 15th, 2018, 16:29   #145
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The issue is the car swapped so the issue is ecu doesn't match the cluster anyways I have all the tools you're speaking of and I have all the skcpins as well we allroad is a 2005 ecu is 2002
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Old March 15th, 2018, 16:29   #146
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Should I turn the IMO on the ECU back on and match everything properly?
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Old March 15th, 2018, 23:38   #147
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Try it, as I said, use the pump swapping/ecu swapping tutorial from rosstecb wiki. Plenty info there. I think you did not transfer the vin tot the new ecu and thus the pump info doesn’t match the ecu info !
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Old March 15th, 2018, 23:38   #148
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Try it, as I said, use the pump swapping/ecu swapping tutorial from rosstecb wiki. Plenty info there. I think you did not transfer the vin tot the new ecu and thus the pump info doesn’t match the ecu info !
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Old March 16th, 2018, 16:04   #149
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Do you have a better way we can talk ?
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