87 2.8 Fuel Pressure Bleed Off Rate?
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Joined: Mar 2009
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From: Vancover, BC
Car: 87 firebird
Engine: 2.8 MFI
Transmission: T-5
Axle/Gears: 3.42
87 2.8 Fuel Pressure Bleed Off Rate?
How long should it take for the fuel pressure to bleed down?
Mine primes to 41psi, but it bleeds down to about 30psi in 10 minutes.
I tried clamping off both lines, but maybe I didn't pinch them hard enough (didn't want to wreck them).
Injectors are refurb from southbay. Did the same thing with the old injectors. I'm wondering if it is the cold start injector. What could I plug that line off with to rule that out?
Mine primes to 41psi, but it bleeds down to about 30psi in 10 minutes.
I tried clamping off both lines, but maybe I didn't pinch them hard enough (didn't want to wreck them).
Injectors are refurb from southbay. Did the same thing with the old injectors. I'm wondering if it is the cold start injector. What could I plug that line off with to rule that out?
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From: LeRoy, NY
Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
Transmission: 6-speed
Axle/Gears: 4.41
Re: 87 2.8 Fuel Pressure Bleed Off Rate?
GM spec is under 1 PSI lost in 20 minutes. Remove vacuum line from FPR to confirm it's not leaking.
Thread Starter
Member
Joined: Mar 2009
Posts: 113
Likes: 0
From: Vancover, BC
Car: 87 firebird
Engine: 2.8 MFI
Transmission: T-5
Axle/Gears: 3.42
Re: 87 2.8 Fuel Pressure Bleed Off Rate?
Great, much appreciated.
I tried the test again and re-screwed on the gauge tighter. Seems to hold pressure now.
Thanks,
Rhys
I tried the test again and re-screwed on the gauge tighter. Seems to hold pressure now.
Thanks,
Rhys
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