92 es300 where is fuel pump relay?
01-13-12, 07:14 PM
#1
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92 es300 where is fuel pump relay?
just wanted to shut down fuel feed to replace 2 injectors.
i believe now its the efi main relay to stop fuel feed.
i believe now its the efi main relay to stop fuel feed.
Last edited by texcorndog; 01-13-12 at 09:56 PM.
01-14-12, 05:42 AM
#2
If you have the car off there is no need to do that. Make sure to open the fuel cap as well to release all pressure built up in the system.
If you do have to make sure the fuel pump is disabled though, pull the EFI fuse (15A I think) in the fuse block behind the battery. That also resets the computer clearing the CEL.
If you do have to make sure the fuel pump is disabled though, pull the EFI fuse (15A I think) in the fuse block behind the battery. That also resets the computer clearing the CEL.
01-14-12, 04:46 PM
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If you have the car off there is no need to do that. Make sure to open the fuel cap as well to release all pressure built up in the system.
If you do have to make sure the fuel pump is disabled though, pull the EFI fuse (15A I think) in the fuse block behind the battery. That also resets the computer clearing the CEL.
If you do have to make sure the fuel pump is disabled though, pull the EFI fuse (15A I think) in the fuse block behind the battery. That also resets the computer clearing the CEL.
To bleed any further fuel off in lines & rail is there a bleed valve on rail?
01-14-12, 04:58 PM
#4
Don;t even bother. Just pull up the fuel rail, make sure engine is cold is all. Whatever spills out will evaporate after a while. I've changed injectors on a few of these engines and thats all I've done. But what is important is how you put it back TOGETHER. Replace both the upper and lower o-rings on the injectors, do not reuse them. And make sure not to pinch the o-rings while putting the rails back on.
Also, if you take the rails apart for any reason, replace the metal crush washers where removed.
Also, if you take the rails apart for any reason, replace the metal crush washers where removed.
01-14-12, 05:53 PM
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Don;t even bother. Just pull up the fuel rail, make sure engine is cold is all. Whatever spills out will evaporate after a while. I've changed injectors on a few of these engines and thats all I've done. But what is important is how you put it back TOGETHER. Replace both the upper and lower o-rings on the injectors, do not reuse them. And make sure not to pinch the o-rings while putting the rails back on.
Also, if you take the rails apart for any reason, replace the metal crush washers where removed.
Also, if you take the rails apart for any reason, replace the metal crush washers where removed.
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