Changing fuel pump in a 1996 Riviera - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 01-04-2012, 02:21 PM   #11
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Also want to say thanks for the replies. I appreciated the help. i should have thought fuel pump relay but something said thats not it Live an learn
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Old 01-04-2012, 02:22 PM   #12
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Also want to say thanks for the replies. I appreciated the help. i should have thought fuel pump relay but something said thats not it Live an learn
Also when testing car I tromped it, idled it, drove slow. So far so good
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Old 01-04-2012, 02:57 PM   #13
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Everything is a learning experience. For you and everyone else that may read this thread in the future.
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Old 01-04-2012, 03:40 PM   #14
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Everything is a learning experience. For you and everyone else that may read this thread in the future.
Yeah its learning for me. I searched all over the web to look for a site that had the same problem as I did, never found one that was close at least I never found one.

Most techs on other site jumped right out and stated fuel pump.. Most would have changed it but the pump for this car is priced from $250 to $300 So that is like throwing money away. I learned check things before jumping. I was tolerating the fuel pump fuse because all I had to do is replace the fuse. But I am glad I found the actual cause of it, Now I can drive without wondering is when and where the fuse was going to pop.

I did learn a few things. Even though its not marked the ICM and fuel pump are on the same fuse that is marked fuel pump.

And yes you are correct. I hope someone can see this and help them in the process as well if it happens to them. And yes a $15 part as the relay I replaced can seem like its the pump or a short in the wiring. When i pulled the relay out last night I dodnt know why I didnt check it with another one

Im just glad i didnt have to start checking wiring out - That is an endless task especially with this type of problem.

Thanks again
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Old 01-04-2012, 04:11 PM   #15
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I've never seen a fuel pump pop a fuse.
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Old 01-04-2012, 04:25 PM   #16
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Well that was what everyone was saying. That the pump was drawing to much current. But check all the small items 1st it will save days of frustration 3 days and it be the Fuel pump relay - Who would have thought LOL I was checking everything but the relay. Wires, Pump, Fuse box, More wiring. It was a pain but its all fixed now. I just hope it stays running
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Old 01-04-2012, 04:37 PM   #17
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Originally Posted by pbrktrt View Post
Fried relay or a chafed power supply going to ground.
That is exactly what the problem was ( RELAY ) and I should have payed attention to that. But overlooked it thinking it wasnt the relay. After 4 days its finally running again

Thanks for the reply
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Old 01-04-2012, 04:39 PM   #18
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That is exactly what the problem was ( RELAY ) and I should have payed attention to that. But overlooked it thinking it wasnt the relay. After 4 days its finally running again

Thanks for the reply
Well I will know soon leaving seymour Indiana and heading Southwest about 100 Plus miles. Hope it stays running My eyes are burning from being on the internet so long And trying to fix it when it was 18 degrees outside for hours didnt help either
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Old 01-04-2012, 08:05 PM   #19
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When you have owned one as long as I have Dave, you get to know their quirks. I am glad to hear it'* fixed and it should be a very reliable car. I'd pick up a spare for a road trip just to feel better.
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Old 01-11-2012, 02:18 PM   #20
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Originally Posted by pbrktrt View Post
When you have owned one as long as I have Dave, you get to know their quirks. I am glad to hear it'* fixed and it should be a very reliable car. I'd pick up a spare for a road trip just to feel better.

Actually same thing is happening. Car ran great for the last 8 days and its back to blowing fuel pump fuses. I removed the relay, It didnt pop the fuse. Put in a bigger fuse it started for 30 seconds and popped the fuse. Is there something that can cause a fuel pump relay to only last 8 days. I probably put 300 miles on it since I put the new relay in it.

Thanks all
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