You can determine the most likely causes of incorrect operation of the engine of BMW E36 with next table.
The bottom table lists the most likely causes of incorrect engine operation of the car BMW E36. First you have to choose one of 8 problems and then analyze those positions from the list below (the same table), which are "+" in the column with number of your problem.
BMW 3 series
| system Type | MOTRONIC M1.3 |
| the Number of turns of idling, rpm | 850±50 |
| the Content of CO in exhaust gases % | 0,7±0,5 |
| CH Content in exhaust gas, ppm | <300 |
| the Content of CO2 in the exhaust gases, % | >12 |
| the resistance of the sensor volume air flow (terminal "14" and "12"), Ohm | 500-600 |
| Resistance of the valve of adjustment of idling, Ohm | 20-30 |
| Resistance of temperature sensor, intake air, Ohm | 160-300 |
| Resistance of crankshaft position sensor, Ohm | 500-550 |
| Resistance of temperature sensor, coolant, kOhm: | |
| at t=15°C | 3,6 |
| at t=30°C | 1,3 |
| at t=80°C | 0,25 |
| Resistance sensor, throttle position, Om: | |
| the damper is closed (contacts are "52" and "19") | 0 |
| flap open (contacts, "52" and "19") | infinity |
| the resistance of the atomizer Ohm | 8-10 |
| the Pressure of fuel, bar | 2,7-3,0 |
| note. ppm - the number of particles per 1 million. | |
the Basic malfunctions of the system and elements associated with them
| 1 | the Engine does not start or is hard to start | |||||||
| 2 | the Engine stalls immediately after start | |||||||
| 3 | Engine runs unevenly at idle | |||||||
| 4 | Revolutions of the crankshaft to slowly increase when the accelerator pedal is pressed | |||||||
| 5 | Increased consumption | |||||||
| 6 | the Engine stalls in all gears | |||||||
| 7 | Improper maintenance of CO in the exhaust gases at idle | |||||||
| 8 | Falls motor power | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | - |
| + | + | - | + | - | - | - | - | Connection to the electronic control unit |
| + | - | - | - | - | - | - | - | Power electronic control unit |
| + | - | - | - | - | - | - | - | Ignition |
| + | - | - | - | - | - | - | - | Starter |
| + | + | + | + | - | - | - | - | Valve adjustment idle |
| + | + | + | + | + | + | + | + | Sensor volume air flow |
| - | - | - | - | - | - | - | - | Connection fuel pump |
| + | + | - | - | + | - | + | - | temperature Sensor coolant |
| + | + | - | - | + | - | + | - | temperature Sensor intake air |
| + | - | + | - | - | - | - | - | Jets |
| - | - | + | - | - | - | - | - | position Sensor throttle (flap closed) |
| - | - | - | - | - | - | - | + | position Sensor throttle (flap open) |
| + | - | + | - | - | + | - | + | Fuel pump |
| - | - | - | - | - | - | - | - | thermal overload relay |
| - | - | - | - | - | - | - | - | cold start Injector |
| - | - | + | - | + | - | + | - | the Content of CO in exhaust gas |
| + | + | + | + | + | + | + | + | Electronic control unit |