Volvo 740 no spark

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Old Dec 11, 2022 | 02:59 PM
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Makozi's Avatar
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Default Volvo 740 no spark

740 B230F

The engine is not starting and is not getting any spark.

I have replaced
- sparkplugs and wires
- coil
- distributor and rotor
- ignition module
- crank sensor
 
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Old Dec 11, 2022 | 04:49 PM
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From: GA
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Do you have 12v at the coil with the key on? Do you have a flashing test light on the other coil terminal when turning engine over? Do you have 12v on one terminal at the injectors with key on? Does your car have a black 4 terminal noise suppression relay mounted on the left inner fender as pictured below? (If present that relay sends power to the coil and the injectors)


 
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Old Dec 13, 2022 | 02:19 PM
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I have 12v at the coil with the key on, and i have a flashing test light when turning engine over. I also have 12v on one terminal at the injectors with key on. The car does not have a 4 terminal relay.
 
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Old Dec 13, 2022 | 02:28 PM
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From: GA
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Originally Posted by Makozi
I have 12v at the coil with the key on, and i have a flashing test light when turning engine over. .
Then you should have spark - -

Does your noid light flash when plugged into an injector wire?
 
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