Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSAAB19879000 L4-1985CC 2.0L DOHCREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMDESCRIPTION AND OPERATIONIGNITION, BASIC FUNCTION
1987 Saab 9000 L4-1985cc 2.0L DOHC
Ignition, Basic Function
1987 Saab 9000 L4-1985cc 2.0L DOHCSECTION Ignition, Basic Function
The EZK ignition system is fitted on 16-valve engines without turbocharger. The system is breakerless and equipped with a Hall sensor. This ignition system is controlled by a knock sensor to achieve the best possible performance from the grade of fuel being used. This provides good fuel economy and cleaner exhaust gasses.
Inside the distributor is a Hall effect switch that is connected to an output module. The output module amplifies and converts the signal from the transducer. The signal is then used to control the operation of the ignition coil. The ignition system is shown in Fig. 4.
Fig. 4 Breakerless ignition system wiring circuit.:
Inside the distributor is a Hall effect switch that is connected to an output module. The output module amplifies and converts the signal from the transducer. The signal is then used to control the operation of the ignition coil. The ignition system is shown in Fig. 4.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.