tried. everything. no spark. - Volvo Forums - Volvo Enthusiasts Forum


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Old 09-06-2017, 10:59 AM
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Default tried. everything. no spark.

I've purchased the car a month ago really love the car. I recently had to key snap off the key fob and was lost. Got a new one from volvo and was fine for a week. Then it cranked but no start. Checked everything from. Crankshaft sensor to. Fuel pump. Have gas but no voltage to my coils or crankshaft sensor. Noticed when I turn key on my immobilizer light comes on any one know what it can be? Can it be my immobilizer antenna or something else. Please help. I have this vehicle for my time with my kids. Thank you
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Old 09-07-2017, 07:59 AM
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Very well could be your computer is cooked? If you need one I have an extra, just need to match up the part number and I can send it your way for cheaper than Ebay.
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Old 09-07-2017, 09:48 AM
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Originally Posted by Corey Conklin View Post
Very well could be your computer is cooked? If you need one I have an extra, just need to match up the part number and I can send it your way for cheaper than Ebay.
i changed it but no luck. Got it from a 2002. How do i match the part number
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Old 09-07-2017, 10:16 AM
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Originally Posted by Luis Montes View Post
i changed it but no luck. Got it from a 2002. How do i match the part number
On top of the computer is going to be very specific numbers... if you do not match them exactly, you will get nothing, you will get accessories, you will get turnover, but you will not get a start.
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Old 09-10-2017, 01:29 PM
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did you try resetting the immobilizer by locking/unlocking the doors 5x with the key fob?
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Old 09-12-2017, 03:00 PM
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Default yes sir still nothing I've tried everything. I'm confused

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Originally Posted by mt6127 View Post
did you try resetting the immobilizer by locking/unlocking the doors 5x with the key fob?
I did try it nothing. I do hear a buzzing sound that when I turn the key before cranking by the transmission area. And the next day my battery is dead
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Old 10-10-2017, 07:44 AM
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Originally Posted by Corey Conklin View Post
Very well could be your computer is cooked? If you need one I have an extra, just need to match up the part number and I can send it your way for cheaper than Ebay.


Sorry for the late response. Can you find me this ecu?
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Old 10-11-2017, 04:54 PM
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thats the CEM - the central electronics module holds a set of relays etc not the ECU. (ie the box down by the hood release). The ECM is part # 30614913.

Based on the fact you had to get a new key, I'd be looking into the immobilizer as the cause due to a problem with the ignition switch or key/ignition switch pairing.
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