V8-294 4.8L 202510 miles. Intake gasket leaks, needs to be replaced

Asked by Jan 13, 2014 at 04:06 PM about the 1999 Chevrolet Silverado 1500

Question type: Maintenance & Repair

Need advise on whether I should, at the same time:
1. Remove and replace knock sensor and harness, 2. Service fuel injection system, 3.
Service throttle body, and 4. Service mass air flow sensor

1 Answer

9,365

Was it running good before? If it was a good cleaning and a oil change wouldn't hurt. If your pulling the rails have some extra or replace all the injector o-rings. Other than that leave well enough alone.

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