Preliminary Checks

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn Vue, 2002 Pontiac Montana, 2002 Pontiac Aztek, 2002 Oldsmobile Silhouette, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.

If fuel supply system is not delivering enough fuel driveability could be greatly affected. If air is being drawn into fuel injection system a NO-START - ENGINE CRANKS OKAY or a HARD START symptom could exist. If another diagnosis indicates, or if fuel supply system is suspected of not delivering enough fuel or drawing air, THE following systems should be checked:

Any air leaks or restrictions between fuel injection pump and fuel tank will seriously affect pump output.
Insufficient fuel in fuel tank.
Any loose fuel component connections.
Any hoses and lines that are flattening when engine is running, or have kinks that would restrict flow of fuel.