200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
Engine Control Module: Customer Interest
Engine - No Start, Hard Start
March 31, 1991
Engine - Vehicle No Start/Hard Start, Below 45~F (7~C) Ambient Temperatures
Model(s): 200/200 Quattro
MY 1989-1990 (With MC Engines)
No signal from engine management ECU, to the cold start valve.
Production processes improved, to help assure that ECU is not damaged during production.
a) Check function of signal to cold start valve
b) If no signal, replace ECU
When working on ECU do not disconnect ECU from vehicle wiring harness within 30 seconds of turning the ignition switch off, this may
damage the ECU.