Operation CHARM: Car repair manuals for everyone.

Fuel Delivery and Air Induction: Specifications






Fuel pump delivery min. 600 cc/min.
Cold control pressure see "WARM UP REGULATOR"
Warm control pressure 3.3 - 3.7 bar
System pressure:
Checking value 4.5 - 5.2 bar
Setting value 4.7 - 4.9 bar
Leak down test. Minimum pressure after:
10 min. 1.9 bar
20 min. 1.7 bar
Injector opening pressure:
New 3.2 bar (45.5 psi)
Old 2.7 bar (38.4 psi)
Injector leak test (max. pressure with less than one drop/15 sec.)
New 2.6 bar (37.0 psi)
Old 2.2 bar (31.3 psi)
Lambda control duty cycle:
t0 (lean stop) Max. 20%
t1 (control) 45% - 55%
t2 (rich stop) Min. 87%
t3 (warm-up enrichment) 60% - 70%