Test Z: Intermittent

NOTE
Preliminary checks must be performed before entering this pinpoint test.

Check:
- Electrical connections
- Vacuum leaks
- Fuel level and quality
- Ignition wiring connections
- Air intake filters, tubes and gaskets
- Aftermarket alterations
- Basic engine (valves, timing, etc.)

Worksheet for Road Test Procedure:

NOTE: Use the Worksheet for Road Test Procedure to list the typical values from the Diagnostic Reference Values. The typical values can be compared to the actual values obtained during the road test procedure. Diagnostic Reference Values

Intermittent Test Prioritization Chart:

Use the Intermittent Test Prioritization Chart to choose which intermittent test to perform for the circuit or component. If the vehicle is a no-start, the ignition test should be run first.

Symptom/DTC Chart:

Z1 And Z10:

Z11 - Z12:

Z13 And Z20:

Z21 And Z30:

Z31 And Z40:

Z41 - Z42:

Z43: