Question about 1993 Audi 100
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Posted on Jan 02, 2017
assuming fuse and fuel relay are good, if need them, get them from junk yard for nothing, check if you getting fuel and proper pressure and sparks, by unplugging the fuel line from the filter and point the hose downward away from face and have a friend turn the engine over, no fuel come out of the line, crank sensor or fuel pump faulty, if fuel pump is good than the crank sensor is faulty. crank sensor tell computer to turn on the fuel pump. to check sparks, pull one plug and ground it have a friend turn engine over see if you getting sparks, no sparks, check cap contact,rotor contact and wires, if it looks good, check the coil, make sure you getting power to it and have 12v output, if good, cam sensor is faulty, cam sensor work the same way as crank sensor but tell computer to send sparks to the distributor. Common problems with older european car, crank and cam sensor tend to go bad due to ages and heat abuse.
Posted on Aug 26, 2009
Hi I also have an Audi Auto 2.8 non quottro had a simler problom and it turneed out to be one of the gear relays that are under the stering wheel on a left ****** that is.
Posted on Sep 03, 2009
If you mean the clutch slave cylinder, it is under the dash attached directly to the pedal cluster.. the slave cylinder is located on top of the transmission, accessed from underneath the left front area behind the wheel...
Posted on Sep 16, 2009
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Feb 24, 2016 | Audi Cars & Trucks
Jul 23, 2013 | Cars & Trucks
When the term Electronic Control Module (ECM) is used in this guide it will refer to the engine control computer regardless that it may be a Vehicle Control Module (VCM), Powertrain Control Module (PCM) or Engine Control Module (ECM).
The Electronic Control Module (ECM) is required to maintain the exhaust emissions at acceptable levels. The module is a small, solid state computer which receives signals from many sources and sensors; it uses these data to make judgments about operating conditions and then control output signals to the fuel and emission systems to match the current requirements.
Engines coupled to electronically controlled transmissions employ a Powertrain Control Module (PCM) or Vehicle Control Module (VCM) to oversee both engine and transmission operation. The integrated functions of engine and transmission control allow accurate gear selection and improved fuel economy.
In the event of an ECM failure, the system will default to a pre-programmed set of values. These are compromise values which allow the engine to operate, although at a reduced efficiency. This is variously known as the default, limp-in or back-up mode. Driveability is almost always affected when the ECM enters this mode.
Fig. Fig. 2: ECM mounting scheme-1996 models
The ECM is located in the passenger side footwell in the kick panel up to 1996. In 1996, the ECM is located in the engine compartment next to the battery.
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