LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2000 >> SL600 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Mixture Formation -- Component Modifications -- 129 Chassis >> Component Modifications >> LH-SFI variable reference resistor modified - BT07.41-P-0001-01A
April 5, 2026: LEMON Manuals is launched! Read the announcement.

LH-SFI variable reference resistor modified - BT07.41-P-0001-01A

ENGINE 119.97 as of 1.6.91 

STANDARD PRODUCTION BREAKPOINTS/MODIFICATIONS/NEW FEATURES

Engine LHS RHS Transmission Engine end no. as of Engine end no. up to Production period as of Production period up to Nature and reason for modification Reference/Remarks
119.97         01.06.91      

As of 06/91 color-coded variable reference resistors have been installed. Models:

(USA/California version does not have a variable reference resistor)

IMPORTANT On models with TWC and national version JAPAN ONLY it is not  permitted to install a white variable reference resistor otherwise the secondary air injection pump will run constantly and the air pump may be damaged as a result.