Question about 1989 Chevrolet S-10 Blazer

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When I try to start it the TBI dumps fuel in the motor and floods

89 Chevvy S10 Blazer 4x4 4.3 V6 Automatic When I try to start it the TBI just dumps fuel in the motor and floods the motor and it wont start. If I hold the throtle open it will start. I verified this by looking in the TBI while cranking it over. Once it is running it seams ok but my milage is down.

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You have a bad injector or a defective throttle control switch. You can test the throttle switch if you have a ohm meter, if you do get back to me and I will tell you how to test it.

Posted on Jun 01, 2010

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