You could do a 0 - 60 run and compare to published times. ( Deducting for engine wear. )
Quote:
Originally Posted by shertex
I'm hoping it's just the fuel filter....will change today. The only reason I wasn't suspecting the fuel filter is that, in my experience, a fuel filter being clogged becomes symptomatic suddenly...it's a very obvious loss of power. But perhaps it can happen more incrementally.
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Fuel filters clog gradually but until engine fuel requirements exceed fuel flow, the restriction will go unnoticed until power drops off. If the driver never or rarely uses max power then calls for max power, the clog will appear to be sudden.
Given a diesel is throttled by fuel flow, reduced fuel will be the same as not pushing the throttle to max. On an electronic diesel, it may compensate unit it runs out of range / throw a code for low pressure.
Quote:
Originally Posted by shertex
Another possibility is that I've become so accustomed to driving my CDI that I'm judging my W124 unfairly. My impressions are obviously very subjective.
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In the late 80's when FI was becoming more common, I had customers whom bought a FI car and suddenly their old carbureted car was an undrivable mess. In reality, nothing had changed with the properly running carbureted car.
Managing customer expectations / perceptions is far more difficult than fixing any car as each customer has a different set of sometimes fluid expectations.