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Old 07-25-2017, 09:24 PM   #1
P&R_TDI

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Deleting my EGR on my 99.5 Jetta

Alright guys i bought my jetta to get awesome fuel mileage driving back and forth to work. It's at least an hour drive one way depending on where we're working at that day. I get 50 mpg right now with the EGR still intact but i'm thinking about deleting it. Will it effect my mileage? Which kit is a good one? i don't need massive HP gains for my work beater as long as it gets good mileage and gets me there and back every day i'll be happy.
Thanks, Max
 
Old 07-25-2017, 10:12 PM   #2
okie18
 
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It won't hurt you're milage and it'll keep from adding any more carbon build up in the intake. Aa Rodriguez and darkside developments both make good kits.

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Old 07-26-2017, 08:53 AM   #3
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You'll also want to route your PCV to the exhaust. Then you can clean your whole intake track and, short of the turbo leaking oil, you should keep a very clean intake.
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Old 07-26-2017, 08:17 PM   #4
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If you have access to basic metal work items and some time you can make your own delete kit. The biggest pain will be removing the gunk from the intake and rerouting the coolant hose once the cooler is gone. Get VCDS ( I have a cable I'll sell pretty cheap BTW) and clean out and remove the valve itself in the intake track, change one value and no tune etc needed.

Plan to reseal the injector pump, common issue with biodiesel, easy fix and will keep you from getting stranded.
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Old 07-28-2017, 05:18 PM   #5
andy2

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If not looking for power/modding then I'd be inclined to keep a properly working egr system and do a CCV relocate to the exhaust or catch can/filter (provent) then back to intake.Clean the intake manifold if needed.

Deleting the EGR helps keeps the engine from reaching operating temperature quicker.Also in colder climates the EGR valve and cooler will help keep the engine at operating temperature and allow you to have warm cabin heat.

Edit: also you would need a tune to ignore the deleted EGR and keep the ecu out of limp mode/low power.The 99.5 requires socketing the ECU in order accept the re programed chips.
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Last edited by andy2; 07-28-2017 at 05:29 PM.
 
Old 07-31-2017, 09:49 PM   #6
P&R_TDI

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Quote:
Originally Posted by andy2 View Post
If not looking for power/modding then I'd be inclined to keep a properly working egr system and do a CCV relocate to the exhaust or catch can/filter (provent) then back to intake.Clean the intake manifold if needed.

Deleting the EGR helps keeps the engine from reaching operating temperature quicker.Also in colder climates the EGR valve and cooler will help keep the engine at operating temperature and allow you to have warm cabin heat.

Edit: also you would need a tune to ignore the deleted EGR and keep the ecu out of limp mode/low power.The 99.5 requires socketing the ECU in order accept the re programed chips.
Yeah I live in Wisconsin so cabin heat sounds pretty good.. Not at the moment but it will come a few months.
Only reason i was thinking about deleting it in the first place was because my Check Engine light popped on after i had the injection pump rebuilt. Took it back to the shop to have it scanned and the guy told me the EGR was stuck closed. He then suggested i just delete it.
 
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