Where are the connectors on a D-Jetronic ECU?
Not much is standardized in D-Jetronic connectors, but all of them have a 25 pin AMP connector with a spacing of 5.0 mm ( not 0.1 oder 0.2 inch), that connects them to engine wiring harness. Looking on that ECU connector, pin 25 is on the right side where wiring harness exits ECU, pin 1 on the left.
What causes a D-Jetronic engine to fail?
Even D-Jetronic will fail with massive false air. If in doubt, spray break cleaner on pipes, hoses, injectors, intake manifold and MAP sensor. If you notice a change in engine speed, you have a vacuum leak.
Where is the mixture control unit located on a Porsche 911?
Mixture Control Unit(1), Injectors (2) . The Start Valve is located on back of intake manifold below the venturi assembly. The Thermo-time Switch is located on engine block below the secondary air pump. Warm-up Regulator (1) Electric Fuel Pump K-Jetronic Fuel Pump Test Point (arrow) Secondary Air Pump Pressure Hose (arrow) Porsche 911T, 911,911S
What do you need to know about a Porsche 911 SC?
In addition, 911 SC models use a thermo-valve, which enriches the fuel mixture during starting by blocking the warm-up regulator vacuum which de- creases control pressure. After starting, the valve opens by means of an electric heating element. Several component tests (Auxiliary Air Valveand Warm-up Regulator)require that the engine is cold.
What kind of engine does a Carrera 3.0 have?
The Carrera 3.0 engine was essentially the Phenomenal 911 Turbo’s 2994 cc engine minus the turbocharger. Built before the ‘911 SC’ it has everything the SC has, and more. It’s a different drive with more power @200bhp; more torque @188 ft/lb @4200rpm and it was 10% lighter too.
What’s the history of the Porsche 911 Carrera 3.0?
The text in the official Porsche 911 Carrera 3.0 sales brochure of that time began with these words. And even today, almost everyone associates the word “Carrera” with Porsche. The Porsche 911 Carrera 3.0 occupies a very special place in the history of the entire Porsche 911 model range: it combines elements from two Porsche legends.
Which is faster the 2.7 RS or the 3.0 Carrera?
The optimized torque was also reflected in another test: the Carrera 3.0 was a good 3 seconds faster than the 2.7 RS and the 2.7 Carrera from 25 to 100 mph. And all this with a car, which was at least 45kg heavier due to the additional noise insulation.
Mixture Control Unit(1), Injectors (2) . The Start Valve is located on back of intake manifold below the venturi assembly. The Thermo-time Switch is located on engine block below the secondary air pump. Warm-up Regulator (1) Electric Fuel Pump K-Jetronic Fuel Pump Test Point (arrow) Secondary Air Pump Pressure Hose (arrow) Porsche 911T, 911,911S