weird story about fuel pressure...
11-28-2002, 11:25 PM
#1
New User
Thread Starter
Join Date: Dec 2000
Location: RAIDER NATION, CA, USA
Posts: 6,415
Likes: 0
Received 0 Likes
on
0 Posts
weird story about fuel pressure...
a few days ago, i installed a B&M fuel pressure guage i ordered from summit racing. before the install, i dropped it on the hard garage floor. after install, it wouldnt read fuel pressure. so i decided to order another one.
today, i install the new guage. this time i didnt drop it. haha again... no fuel pressure. needle didnt move. so im thinkin... "****, did i get a faulty one?" my cousin comes over, we install the gauge on his car. it works. we install the one i dropped. it works, too! what the heck... both guages are working.
we test the intank pump, bypass the fmu, check fuel lines, test the fuel regulator... its all good. last option: inline fuel pump.
bypass the inline fuel pump... hook it up back to stock... and BINGO! fuel pressure guage works! weird!
why do you think the guage wont read fuel pressure with the inline fuel pump hooked up? is the fuel pump creating no pressure to the guage? it was pretty interesting... after all that work.. to find out it was the inline fuel pump that was making the fuel pressure guage not read pressure at all.
today, i install the new guage. this time i didnt drop it. haha again... no fuel pressure. needle didnt move. so im thinkin... "****, did i get a faulty one?" my cousin comes over, we install the gauge on his car. it works. we install the one i dropped. it works, too! what the heck... both guages are working.
we test the intank pump, bypass the fmu, check fuel lines, test the fuel regulator... its all good. last option: inline fuel pump.
bypass the inline fuel pump... hook it up back to stock... and BINGO! fuel pressure guage works! weird!
why do you think the guage wont read fuel pressure with the inline fuel pump hooked up? is the fuel pump creating no pressure to the guage? it was pretty interesting... after all that work.. to find out it was the inline fuel pump that was making the fuel pressure guage not read pressure at all.
11-29-2002, 05:34 AM
#2
Honda-Tech Member
Re: weird story about fuel pressure... (dlplayboy)
You probably have the gauge before the inline pump, right? The inline pump is sucking all the pressure out of the line and all the pressure is after the pump.
11-29-2002, 06:04 AM
#3
Honda-Tech Member
Join Date: Mar 2001
Location: Southern, CA, USA
Posts: 1,501
Likes: 0
Received 0 Likes
on
0 Posts
Re: weird story about fuel pressure... (tony1)
You probably have the gauge before the inline pump, right? The inline pump is sucking all the pressure out of the line and all the pressure is after the pump.
11-29-2002, 06:03 PM
#6
New User
Thread Starter
Join Date: Dec 2000
Location: RAIDER NATION, CA, USA
Posts: 6,415
Likes: 0
Received 0 Likes
on
0 Posts
Re: weird story about fuel pressure... (Hatchblack)
yeah too bad it won't read vacuum lol or it would have saved you some trouble
its all good, though.
11-29-2002, 06:06 PM
#7
New User
Thread Starter
Join Date: Dec 2000
Location: RAIDER NATION, CA, USA
Posts: 6,415
Likes: 0
Received 0 Likes
on
0 Posts
Re: weird story about fuel pressure... (tony1)
You probably have the gauge before the inline pump, right? The inline pump is sucking all the pressure out of the line and all the pressure is after the pump.
Thread
Thread Starter
Forum
Replies
Last Post
streetrage
Tech / Misc
6
07-04-2006 11:09 PM