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Old July 29th, 2020, 09:28   #1
amit9
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Default Average life of injector tips

I'm running the VEG SMOG .205 tips for about 180K kms/10 years now. Is there any recommended interval (kms/years) after which the injector tips should be checked/replaced?

Thanks.
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Old July 30th, 2020, 07:57   #2
Johhny04
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Are you getting a decrease in mileage? Smoke at startup? Post and see what others have to say in the PD/VE section.
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Old July 30th, 2020, 19:36   #3
amit9
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Quote:
Originally Posted by Johhny04 View Post
Are you getting a decrease in mileage? Smoke at startup? Post and see what others have to say in the PD/VE section.
No smoke at startup, and not exactly a decrease in mileage, but for a while the fuel economy numbers are not what I'm expecting. I'm stuck in the 6L-6.3L/100kms range for a long time, no matter how I drive, no matter where I fill up, with summer or winter diesel. I've checked the MAF, air filter, snow screen, wheel alignment, new tires, rear brakes not dragging etc. The timing belt was done last summer at Precision Tuning, so I'm sure that the timing is set in the ideal range. With all these basic items checked off, I expect to see lower L/100kms numbers. So I'm puzzled about it as to what am I missing?

I thought of reviewing my injectors setup and hence I posted this thread. I did search the forums to check what the recommended IQ should be for better fuel economy. It should be in the 3-5 mg/stroke range at idle. I checked mine and it shows up as 4.6-4.8 at idle in VCDS.

Other than that, I don't know what else I could check/do that will help to better my fuel economy.

edit: I forgot to mention that I've done a diesel purge and fuel filter change, and a liquimoly engine flush in my most recent oil change.
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Last edited by amit9; July 31st, 2020 at 11:18. Reason: grammar
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