LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 1987 >> Fox Base, JN >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Engine Controls - System/Component Tests) >> Fuel System >> Cold-Start Injector >> EuroVan (2.5L)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

EuroVan (2.5L)

WARNING: This page is about a different car, the 1993 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect main fuel injector wiring harness from fuel rail. Disconnect cold-start injector. See Fig 1 . Connect LED Tester (US 1115) to wiring harness connector using test leads from Adapter Kit (VW 1594).
  2. Disconnect Blue Engine Coolant Temperature (ECT) sensor. Crank engine and observe LED tester. LED tester must light up for 1-4 seconds. If LED tester does not light up, check cold-start injector voltage supply circuit using PIN VOLTAGE CHARTS article or replace ECM as necessary.
  3. If LED tester lights up (voltage supply circuit okay), remove cold-start injector and reconnect cold-start injector to wiring harness. Place cold-start injector in container and crank engine.
  4. Cold-start injector must spray uniformly for 1-4 seconds. Wipe off cold-start injector nozzle and observe tip. No drips or dampness may occur within one minute. Replace cold-start injector if it does not operate as specified.
Fig 1: Testing Cold-Start Injector (EuroVan)
G93A81109Courtesy of VOLKSWAGEN UNITED STATES, INC.
scientia non olet · About LEMON Manuals