Initial Inspection and Diagnostic Overview

Flow Of Diagnosis:

CHART INTERPRETATION
- Follow the chart from top to bottom. When all paths of the chart have been completed, return to the beginning to verify repair.

- The numbered procedures below correspond to footnote numbers on the chart. They are a further description of necessary process'.

CHART FOOTNOTES
1. Review Checking the Basics
By inspecting the basics, the problem(s) may be found in a relatively short time. An important step that must not be overlooked.

2. Inspect For Fuel In Float Bowl
Look into carburetor float bowl through glass. Is fuel level near the middle of the glass?

3. Check For Flooding Carburetor
Remove air cleaner in look in to air horn. Is excessive fuel flowing out of carburetor and into the intake?

4. Check Fuel Pressure
Refer to Powertrain Management/Fuel Delivery and Air Induction/Testing and Inspection/Procedures and measure the fuel pressure.

5. Repair Or Replace Faulty Components
Replace or repair faulty components.

6. Repair Faults
All items below will prevent fuel deliver to the carburetor. Check and repair as needed:
- Stuck needle valve in carburetor
- Clogged fuel filter
- Clogged fuel strainer in tank
- Restricted fuel line
- Insuffecient fuel level in tank
- Faulty fuel pump
- Faulty fuel cap

7. Repair Or Replace Carburetor as Necessary
Remove, disassemble and inspect the carburetor as outlined in Service And Repair / Carburetor.

8. Perform Diagnosis By Symptom
Proceed to Procedures / Diagnosis By Symptom and find the complaint(s) that match the vehicles.

9. Proceed to Computers And Control Systems
If the problem was not present, it is intermittant. The Flow of Diagnosis in Computers and Control Systems addresses intermittant problems.