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old97
Joined: 31 Dec 2011
Posts: 7
Location: SOUTHEAST
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 Posted: Mon Jan 23, 2012 8:38 am Post subject: 1980 924 won't start |
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Fuel pump comes on with ignition but shuts off after about 2 seconds.
I am not getting spark from the coil. There is a connection from the fuel pump relay pin 1 to the coil and to the RPM delay (whatever the heck that is). The more I dig into the this the more befuddled I get. I just tried a universal ignition switch using only ckts 15, 30 and 50 and the fuel pump doesn't come on at all. |
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FJ40Jim
Joined: 13 Feb 2011
Posts: 26
Location: Central Ohio, USA
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| Posted: Mon Jan 23, 2012 8:57 am Post subject: |
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The fuel pump relay turns on, after it sees a RPM signal from the ignition module.
First you need to diagnose the lack of spark. If there is no spark, then the FP will not turn on. |
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old97
Joined: 31 Dec 2011
Posts: 7
Location: SOUTHEAST
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| Posted: Tue Jan 24, 2012 1:32 pm Post subject: |
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Thank you...off on a new tack  |
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