1996 riviera Blows fuel pump fuse - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-01-2007, 12:01 PM   #1
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Default 1996 riviera Blows fuel pump fuse

My riviera keeps poping the fuel pump fuse. We took the fuel pump out of the car and tested it . It is fine, Fuel pump relay has also checked out. Any ideas is appreciated. Car drove rought to the shop and has now died.
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Old 10-01-2007, 12:24 PM   #2
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When you tested it, did you check to see how much current it was drawing? Was it close, or over the rating of the fuse? Are there other things that the fuse protects besides the pump? If the pump is fine, start checking some of those items.
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Old 10-01-2007, 01:58 PM   #3
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Some of the wiring is under the car as well as inside. The wiring can be pinched and partially grounding. Inspect all the wiring possible, looking for any rubbing or pinched areas.
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Old 10-01-2007, 04:35 PM   #4
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ICM gets power from the same fuse.
Is it supercharged?
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Old 10-02-2007, 02:45 PM   #5
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yes
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Old 10-02-2007, 10:55 PM   #6
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Supercharged engines have a 2 speed fuel pump controlled by a fuel pump control module. A faulty module might blow the fuse.
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Old 10-03-2007, 10:49 AM   #7
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Car is running... It was the Ignition control module . Glad I kept the old one.


Thanks everyone for all your help.
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Old 10-03-2007, 12:01 PM   #8
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take it back blowing fuses again... :(
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Old 10-05-2007, 03:51 PM   #9
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It ended up being a bad ICM... Lucky I had 2 spares.
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