Question about 1997 Chevrolet Blazer
I just bought this blazer 4 days ago. The guy that I bought it off of said that the morning before I drove/bought it he had to replace the fuel relay after having his machanic hook it up to the computer. At first he said it acted as if the fuel pump was out, but after farther investigation it was the relay. I then drove the blazer about 100mi and noticed that the fuel guage was off. It said that the tank was full, but knowing that it wasn't i knew there was a problem. I stopped and put about $5 bucks in to see if that would help. After I started the motor it read empty. So i shut if off and restarted again and it said 1/4 tank. So i then repeated shut off restart one more time. It then chugged a couple of times and died. Then after several times cranking over I gave up. I did remember about him changing the relay so I found the relay and swaped it out with another one. It then fired right up. I was talking to a guy that had one about like it and he said the only thing that he thought it could be was the fuel pump going bad/over heating and tripping the relay out and that would also expalin the sending unit problem with the fuel guage. So I ordered a pump just in case. Another guy mentioned it should be blowing the fuse first not the relay so he thought it might not be the pump. I am lost now I hate to throw a $350 pump into it if that is not the case.
Would hooking up a fuel presure guage really tell me if it was the fuel pump or would that not help me in my case with the relay??
Any help would be greatly appretiated! Thank you in advance.
To check and see if its the fuel pump. Have someone stand by the open door (where thrn fuel is dispensed into car (gas tank). then have someone turn over the car, just turn over, do not try to start. the person by the gas tank should be able to hear if the pump is kicking on. just a start, but we used this advice and found our new pump is winding and working and its now something else.
Posted on Apr 14, 2009
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