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2.3L 4-CYL VIN [A]: Ignition Pinpoint Tests: Ranger

The following Pinpoint Tests were written to catch "Hard faults"; intermittent failures will be difficult or impossible to diagnose using these procedures.

Use the following FAULT-TO-ACTION  to determine the appropriate pinpoint check to use. For reference, be sure to use the Fig 1 ACRONYMS FOR USE WITH PINPOINT TESTS, SCHEMATIC & BREAKOUT BOX TABLE with the pinpoint checks.

FAULT-TO-ACTION

Fault Start A
Engine No Start Step A1
Engine Runs with Continuous Code 19 Step B1
Engine Runs with Continuous Code 28 Step B1
Engine Runs with Continuous Code 48 Step C1
Engine Runs with Continuous Code 18 Step D1
Engine Runs with Continuous Code 88 Step E1
Lack of Power Complaint Step F1
KOER Code 18 Step F1
Misfire Under Load Step G1
Intermittent Miss or Stall Step H1
Fig 1: ACRONYMS FOR USE WITH PINPOINT TESTS, SCHEMATIC & BREAKOUT BOX
GB0022401