black smoke
George Selby
gselby4x4 at earthlink.net
Thu Aug 9 03:16:08 EDT 2001
At 01:59 AM 8/9/01 -0400, you wrote:
>That's likely to be normal behavior. Under full throttle the ECU would
>go into an extra enrichment mode to increase power, the extra rich mixture
>would generate black smoke out of the tailpipe. This happens with all
>kinds of cars, not just the 1.8T.
Frequently on turbo cars of all makes, a little xtra fuel is dumped at full
throttle to make sure the engine doesn't run lean. The extra gas in there
can act similarly to adding water to decrease detonation.
George Selby
70 F-100 Ranger XLT 400 C6
78 F-150 4x4 400 4 spd
83 Audi Coupe GT
86 Nissan 300ZX
92 Subaru Legacy Wagon AWD
gselby4x4 at earthlink.net
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