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1991 Acura Legend Acura won't start

Tiny
TPARK1031
  • MEMBER
  • 1991 ACURA LEGEND
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 230,000 MILES
I have a 91' Acura Legend. I was driving it and the car cut off. I have a second Acura Legend that is running. I took the fuel relay out of the running car and put it into the non-running car and it didn't start. I then took the fuel relay out of the non-running car and put it into the running car and it worked. After that I proceeded by taking the fuel pump out of the non-running car and I put it into the running car and it continued to run. I took the fuel pump out of the running car and put it into the non-running car and it still didn't run. I checked for currents in the fuel pump and I'm not getting currents into the non-running car. I checked for currents on the running car in the fuel pump and getting currents for two second intervals. Do you have any suggestions of what is wrong as to why I'm not getting currents in the non-running car? Also, I checked all of the fuses under the dash and under the hood and none of those are bad. Are there any other fuel relays that I'm not aware of? Why am I not getting currents to the fuel pump?
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Wednesday, July 23rd, 2008 AT 4:24 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try testing the PGM-FI main relay.


https://www.2carpros.com/forum/automotive_pictures/12900_pgmfi_1.jpg

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Monday, March 6th, 2017 AT 3:07 PM
Tiny
TPARK1031
  • MEMBER
  • 4 POSTS
Is this the main fuel relay? If not, where would I find this on the car?
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Monday, March 6th, 2017 AT 3:07 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The PGM-FI main relay is located under left side of dash in relay block.
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Monday, March 6th, 2017 AT 3:07 PM
Tiny
TPARK1031
  • MEMBER
  • 4 POSTS
I have checked that already. What else can you suggest I check?
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Monday, March 6th, 2017 AT 3:07 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Power the fuel pump black and yellow wire from the battery. If it comes on back track to the relay.
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Monday, March 6th, 2017 AT 3:07 PM

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