LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Porsche >> 1987 >> 928 Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System - BOSCH EZF >> Testing >> Ignition System Tests >> High Fuel Consumption
April 5, 2026: LEMON Manuals is launched! Read the announcement.

High Fuel Consumption

Perform the following:

  1. LOAD SENSOR TEST 
  2. THROTTLE SWITCH - IDLE CONTACT TEST 
  3. THROTTLE SWITCH - FULL THROTTLE TEST 
  4. EZF IGNITION SYSTEM OUTPUT TESTS