My pop has a 91 with the 4.3 throttle body fuel injection, with 245,000 miles on her. The problem is it has no power at all, he said on hills the truck stuggles real bad, the engine seems to run pretty decent, was just wondering if it's dirty injectors or a possible tune up, or is the motor just tired???
91 S10 Blazer??
- Thread starter dave76
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