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Jens Vagelpohl wrote: > > On 12 Jan 2006, at 15:12, Jim Adney wrote: > >> >> Were those LH? If so, what change did the H indicate? > > > No, those were L-Jetronic. LH-Jetronic have air mass sensors instead > of air flow sensors. LH-Jetronics are still quite common nowadays. > Small history lesson I picked up. The D-Jetronic takes its name from D for Druck, which means pressure in German. The D-Jet uses manifold pressure for determing load. The L-Jetronic takes its name from L for Luft, which means air. The L-Jet uses an air meter for determining load- in the form of an air flap. The H in LH-Jetronic is H for Heiss, for hot. It uses a corona wire in its air meter (the Mass Airflow Sensor, or MAF) instead of the air flap. Info taken from here: http://www.type2.com/library/fuel/vfityp.htm ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~