F 150 2WD Pickup V8-351 5.8L Lightning (1993)
Fuel Pressure Pulsation Damper: All Technical Service Bulletins
Fuel System - Knocking Noise
Article No.
93-13-9
06/23/93
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FUEL SYSTEM - "KNOCKING" NOISES - VEHICLES WITH 5.8L ENGINES
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NOISE - "KNOCKING 99 SOUND - VEHICLES WITH 5.8L ENGINES
LIGHT TRUCK:
1992-93 BRONCO, F-150-350 SERIES
ISSUE:
A fuel system "knocking" noise may be heard on some vehicles. This is caused by fuel injector pulsations being transmitted through the fuel lines.
ACTION:
Install a new front fuel line assembly with pulse dampener. Refer to the following procedure for service details.
SERVICE PROCEDURE
1.
Relieve fuel system pressure as outlined in Section 10-101A of the 1993 Service Manual.