Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Parts Information
Cleaning Procedure Parts
CSFI to MFI Conversion Parts
Parts are currently available from GMSPO.
Warranty Information
Important:
Some California vehicles may be covered by Special Policy 99066E if built with California Emissions RPO YF5. If the vehicle is covered by the
special policy, then that warranty information should be used.
For vehicles repaired under warranty, use information contained in Special Policy 99066E.
Information
This procedure should be performed before any attempt to convert the fuel system to MFI.
S/T and C/K Truck
1.
Loosen the fuel filler cap to relieve vapor pressure in the fuel tank.
2.
Remove the Positive Crankcase Ventilation (PCV) clean air tube from the air inlet tube and set aside.
3.
Remove the bonnet and inlet tube from the throttle body.
4.
Remove the brake booster vacuum hose and connector from the intake manifold.
5.
Remove the electrical connector from the CSFI fuel metering body.
