1999 CHEVROLET S/T PICKUP Engine And Engine Coolingengine Problems
1 NHTSA complaint on file
Engine And Engine Coolingengine Issues in the 1999 CHEVROLET S/T PICKUP
1 engine and engine coolingengine complaint has been filed with NHTSA for the 1999 CHEVROLET S/T PICKUP. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
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Complaints
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Crashes
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Fires
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Injuries
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Deaths
All Engine And Engine Coolingengine Complaints
RATTLE / BUZZING FROM CSFI FUEL INJECTION SYSTEM, 4.3L V6, ENGINE CODE X. THE INLET AND RETURN LINES BUZZ WHILE ENGINE IS RUNNING, REGARDLESS OF RPM. SOUNDS LIKE THERE IS SOMETHING LOOSE UNDER THE IP / DASH IN THE INTERIOR COMPARTMENT. I TRACED THE SOUND TO THE FUEL LINES, WHERE THEY ARE MOUNTED TO THE INTAKE MANIFOLD. THE HARD LINES ENTER THE REAR OF THE CSFI UNIT AND THE BUZZING EMANATES FROM THIS POINT. THE VIBRATION CAN BE FELT IN THE ACCELERATOR PEDAL AS WELL. THE NOISE IS WORST ON A COLD ENGINE AND / OR WHEN THE OUTSIDE TEMPERATURE IS BELOW 80-DEGREES OR SO. THE NOISE IS ALWAYS THERE ON START-UP AND ON NON-HOT DAYS, IS CONSTANT. A FEW TIMES THE NOISE IS NOT HEARD AT FIRST, BUT AFTER 30 SECONDS OR SO OF OPERATION THE NOISE RETURNS. AGAIN, THE NOISE IS PRESENT AT ALL RPM, ALL DRIVING /...