The usual procedure is to disconnect the electrical connectors, remove the fuel rail nuts, pull the rail up, and then replace the injectors. Is this not the procedure you used? We need to know more about the circumstances to help you.
SOURCE: I need a diagram for 1998 chevy tahoe fuel pump
Do you want a diagram, or do you just want to replace the pump?
SOURCE: fuel pump replacement 1999 chevy tahoe
That has alot to do with the price of the pump, i know there expensive. The thing to do is call an auto parts store and ask what the price is for a pump, once you know that, then you can call around to shops in your area and get there price or labor rates, and that will give you an idea what it will cost. I know its alot of calling but its the best way, so you can guard aginst being riped off. It should not take a good michanic more than 2 to 3 hours to chg. one.
SOURCE: How to replace the fuel injectors on a 2002 Tahoe?
To Install:
NOTE: Use care in removing the fuel injectors in order to prevent damage to the electrical connector pins on the injector and to prevent damage to the nozzle. Service the fuel injector as a complete assembly only. The fuel injector is an electrical component. DO NOT immerse the fuel injector in any type of cleaner.
SOURCE: 1999 Chevy Tahoe won't Start. Motor will not turn over.
I'm assuming that by turning over, you mean that the engine fails to turn with the starter . Check your battery for 12v and make sure all connections are clean and secure. If battery has less than 12v charge it and check the charging system after re-starting. Lights and radio do not pull the same amperage as the starter and may not tell you much about battery condition. If you have full battery voltage, check the starter for 12v at the battery connection and the small (trigger wire) for 12v with the key turned to start position. If you have both, likely starter has failed.
SOURCE: fuel gauge bouncing on 2000 chevy tahoe where is fuel pump relay
I had previously replaced the failing fuel pump on my '98 K2500 when it went out entirely. I was ready to replace my 2000 K3500's fuel gauge as it was acting up.
When I started the engine, the gauge would bounce from the middle to way past full then back. It would also jump sporadically while driving on level ground.
I checked the electrical connections at the tank and made sure the frame ground strap located nearby was making good contact. Nothing changed until I removed the instrument panel and cleaned the connections on the back. The fuel gauge seems to be operating correctly now.
There are videos on YouTube that show how to remove the instrument cluster if in doubt. Mine dash has a pop-in plastic bezel followed by 4 screws to hold the cluster in place. It took about a half hour to inspect & clean the dash connection vs. $250 to replace the pump/sending unit combo. Hope this helps.
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