my car is burning hella gas for some reason and i dont know why. i only got 28 miles off half a tank of gas. WTF?!?!....im running stock injectors, and i just got my car outta the shop. Does the AEM fuel rail or fuel pressure regulator have anything to do with this? thanks for help

 

make sure the fuel pressure with the vacuum nipple disconnected is at stock pressure.. probably somewhere around 43 psi, once it's set, re-install the vac line to it and drive happy.

 

okay..my car is still burning hella gas..i dont seem to know what the problem is...there doesnt seem to be any fuel leak, and im thinkin its my fuel pressure regulator..the vaccuum line is connected at the nipple...and seems fine...any other suggestions.?. thanks

 

Are you sure the car actually burned say aprox. 6 gallons in only 28 miles........ maybe your gauge is off/broken if not you must have a leak I dont even think your car can burn that much gas in such short millage without flooding.....

-Jeff-

 

What you say is unpossible, you have a fuel leak someplace, unless you were idling the car nonstop somewhere in the equations. Do you smell fuel anywhere? Are there puddles under the car?

 

hah "me fail english? that umpossible"

Your base pressure would have to be set at 1,000psi for you to burn ~6 gallons in 25-30 miles. Thats on par with a top fuel drag car lol.
If the fuel rail was just installed there is probably a fuel leak. There are lots of places for potential fuel leaks. Better check that out before you blow yourself up. If you were really running that rich, the engine wouldnt be running. AFR of -5:1

 

fuel leaks are baad, mmk?

 

hahaha hummers get better gas mileage than you

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Foozball26 &raquo;</TD></TR><TR><TD CLASS="quote">hahaha hummers get better gas mileage than you </TD></TR></TABLE>

haha..good one...but yeah, i guess theres a gas leak somewhere...i gotta go check it out...yeah, i just installed a new fuel rail..maybe thats the problem..

 

gas is expensive

 

yay for midwest gas prices, i think 93 octane is about $1.90 right now, what is it in cali?

 

Check on the fuel rail where the injectors go in. Usually a bad o-ring will leak like crazy. You should be able to smell it tho, or just rub your finger in that area.

 

yeah..i can actually smell it...so its the o ring?

 

check the o rings on your injectors i had one of mine tear when i put it on and i leaked gas like that it actaully squirted out at idle

 

Probably the o-rings, happens sometimes if you use old ones or you don't lube the new ones a little.