Diagnostic Aids

Improper fuel pressure can result in one of the following conditions:

• Cranks, but won't run.
• Code 44.
• Code 45.
• Cuts out like an ignition problem.
• Poor fuel economy and loss of power.
• Hesitation on acceleration.

Fig 1: Chart A-7, Flow Chart (1 of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Chart A-7, Flow Chart (2 of 2)

Courtesy of GENERAL MOTORS CORP.