LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Porsche >> 1985 >> 928 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH LH >> Testing >> Test 5 >> Temperature Sensor I
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Temperature Sensor I

  1. Connect ohmmeter to terminals 10 and 22 on EZF control unit plug. Readings should be as follows: At 32°F (0°C) equals 4.4 to 6.8 Ohms. At 60-85°F (15-30°C) equals 1.4 to 3.Ohms. At 105°F (40°C) equals 1 to 1.3 Ohms.
  2. For protective circuit, temperature sensor break (open circuit) equals ignition timing of -3°. Temperature sensor short circuit (grounded) equals ignition timing of -3°. Intake air temperature 122°F (50°C) equals ignition timing of -3°. These readings are with closed full throttle contact and 25 in Hg. vacuum.
scientia non olet · About LEMON Manuals