Fuel problem

Asked by Apr 16, 2019 at 07:38 PM about the 1991 GMC Sierra 1500

Question type: Maintenance & Repair

Not getting fuel to throttle body injectors
changed throttle body still now fuel what
would be the problem

3 Answers


Check the fuel pump and filter.


And if the fuel pump is not running, check the fuel pump fuse and relay.

Check all that relay works fuse works fuel pump is pushing fuel to top of throttle body see I was going down the road hit a bump truck shut off check everything wasn’t getting fuel to injectors getting it from fuel line but not injectors

Your Answer:

Sierra 1500

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