Multi-point injection system — design description The diagram shows the input and output signals in the engine controller of a multiport injection system. Just one erroneous sensor or sensor signal or its failure can completely disrupt «equilibrium» output signals for...
Self-repair of the injection system Many checks cannot be performed independently, both on single-point and multi-point injection systems, because the necessary instrumentation is not available. If the Renault 19 does not start, first check if the...
Checking individual elements of the injection system On a 1.8 liter engine (left) temperature sensor (2) intake air is screwed in front of the throttle body in a flexible ribbed air hose. On a 16 valve engine (on right) intake air temperature sensor (2) screwed into the...
Removal and installation of a fuel nozzle 1. Disconnect the ground wire from the battery terminal. 2. Disconnect hoses of giving and removal of fuel with clips. 3. 1.7-/1.8-lit. engine: Disconnect the pin connection of the explosive combustion sensor. 4....
Throttle control cable Once on the throttle shaft lever (1) throttle cable installed (2), for fine adjustment of the throttle position with the accelerator pedal fully depressed, pull out the grooved tip (5) shells of the gas cable from the...
Idling check Since the idle speed is controlled by an electronic control device, almost nothing can be adjusted. On a multi-point injection system, adjustment work in the usual sense of the word cannot be carried out. Only when in...
Troubleshooting the injection system Multipoint injection system Malfunction Her reason Debugg A. Cold engine starts poorly or does not start at all. 1. Faulty electrical relay. 2. The fuel pump does not work or does not work at full capacity. 3. Faulty...