His truck has stock tires, which I think are 235-75-15, it isn't lifted; it
is bone-stock. Also, it has throttle body injection, not port type.
Do you know if his '91 computer may have any of the self-diagnostic
capabilities of the more recent types? If so, how would I go about
extracting the data?
RF
>If he has a bad O2 sensor it could do it. or a clogged up fuel filter. Is
>the truck lifted with big tires? if yes it could be the gears arent the
>right ones. Is the air filter new or all stuffed up with crap? are the fuel
>injectors clean or could they be clogged up. Id check the oxygen sensor
>first. If it has a check engine light coming on find out why
>Rob
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