Re: 1990 V8 Fuel Injection issue

Bill Mote wrote:
> The fuel economy on my car has gone approximately in half. Went from
around 
> 22 mpg at 70 mph to around 10 to 11.  I replaced the temp sensor,
checked 
> the mass air flow sensor, checked the idle speed motor? and have cleaned
the 
> throttle body. Also replaced the air filter all to no avail.  No codes
in 
> computer.
> What am I missing??
>
> Many thanks
> Bill
>
>
>   
Winter fuel blends.

May have dirty injectors with poor spray pattern. Try some Techron 
injector cleaner.