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Re: Lousy fuel economy on '91 200TQW; advice, please.
> Thanks for the input so far (however limited). I suppose I should do a
> backpressure test on the exhaust, though I doubt this is it. The exhaust
> seems okay, and there are two cats on this car in parallel. Perhaps
> another option is to throw another O2 sensor on it that hopefully leans out
> the mixture a bit. The mystery to me that the exhaust is very very clean,
> so is emissions, yet I'm barely getting 13mpg around town.
Could you be dragging a brake (or 2, or 3...)?