injector damage by having fuel pressure very high??
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Joined: Apr 2007
Posts: 183
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From: toronto canada
Car: 80,81,85, trans am
Engine: 4.9,301turbo,350
Transmission: all auto
Axle/Gears: 308,342,308
injector damage by having fuel pressure very high??
i set my fuel pressure with vacume hose connected. big mistake. so it reads 49 psi with vacume hose on.
1989 l98
im on my way to set with hose off and connector plugged. or is it hose plugged or both??
my car does not start sometimes just revs for one second and dies.
could my high fuel pressure cause this im using bosch 111
could i have caused any damage to the injectors?
1989 l98
im on my way to set with hose off and connector plugged. or is it hose plugged or both??
my car does not start sometimes just revs for one second and dies.
could my high fuel pressure cause this im using bosch 111
could i have caused any damage to the injectors?
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Joined: May 2006
Posts: 581
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From: NY
Car: 00 SSEi / 94 C4
Engine: 231 / 383
Transmission: 4T65E / ZF 6sp
Axle/Gears: 2.93 / Dana 44 3:45
Re: injector damage by having fuel pressure very high??
no worries 49# is nothing.... you can crank them up to 65 or a lil more with no damage
you should be @ 45# and yes while setting pressure unplug vacuum from the regulator & plug the new leak
you should be @ 45# and yes while setting pressure unplug vacuum from the regulator & plug the new leak
Last edited by 88gta3508; Jul 29, 2011 at 10:05 AM.
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Joined: Nov 2010
Posts: 73
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Re: injector damage by having fuel pressure very high??
Bosch D3's are good to 6-7 Bar 72psi is 5 Bar so I think you have plenty of room for error 
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