[Vwdiesel] TDI Injector Life...

[James Hansen]

Well, worn injectors are a tad less economical, start poorer in really
cold conditions mostly because the holes are worn bigger- which also
delivers fuel faster/earlier in the cycle.  Most high mileage injector
nozzle changes from stock worn injectors to new stock injectors have the
owner feeling like he has lost power over the old ones- which is true
actually- as the fuel is burned over a longer period with less 
emissions, lower peak combustion chamber temp, and less power overall.
To compare a 91 td with a 97 tdi, unless the 91 td has been heavily 
dickered with is not that fair- 90 hp vs 75 hp, and a lot of torque 
difference at cruising rpm; meaning effective horsepower at cruise 
varies a lot between those engines.
You should try an 05 Passat.   It makes the 97 tdi feel like the 91 did. :-)
-james

Gerry Wolfe wrote:
> Saw an earlier post about injector life on TDI's... 50 - 100K was
> time to overhaul or replace?
> 
> Bought a '97 A3 TDI over the winter, now has about 240K km on in,
> came with complete service / maintenance records.  Injectors are
> original, have never been serviced or overhauled. I'm currently
> getting low-50 mpg (Imp gallons) with city/hiway driving, got a best
> of 63mpg on full hiway driving.
> 
> What really impressed me: climbed the Malahat hiway on Vancouver
> Island with 4 passengers and too much luggage -- set the cruise
> control at the speed limit (80kph) in 5th gear and the engine didn't
> even seem to work at it... passed a bunch of other cars in the
> process.  Previously, I had to downshift to 4th gear, run full
> throttle and put out a smokescreen with my '91 TD.
> 
> 
> GerryWolfe at Shaw.ca www.members.shaw.ca/GerryWolfe/
> 
> 90% of being smart is knowing what you're dumb at. 
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