Cascade Crew

LB985IROC

ok my buddy has a 86 camaro 2.8 efi and it is not gettgin fuel he got it form a lady and she had said it ran fine then made a noise and wouldnt start it starts and runs for a few seconds and dies no matter what you do unless you spray starting fluid in the intake im thinking the fuel pump, but it comes on when you turn the car on. or possibly the oil pressure switch? it runs good when you get it to start but i dont know anythign about the 2.8s so fi anyone has an idea what ould be it lmk

aaron_sK · Posted: Sun Jul 30, 2006 8:24 pm Post subject:

Is there pressure at the rail with the ingition on?

BTW, starting fluid sprayed into EFI intake = Laughing so hard it hurts

Danked · Posted: Sun Jul 30, 2006 9:57 pm Post subject:

My camaro did exactly that when i first bought it, i found out it was the engine temperature sending unit. You mean you just think it's not getting fuel, or you have done tests like check the fuel pressure?

blue89 · Posted: Mon Jul 31, 2006 6:47 am Post subject:

I would agree. Get a fuel pressure gauge and see what its doing. If it has a plugged fuel filter or bad pump, it would act like normal but not be able to deliver the goods.

TecherB · Posted: Mon Jul 31, 2006 8:28 am Post subject:

We need to know what the fuel pressur is to diagnose their are too meny factors otherwise.

Xophertony · Posted: Mon Jul 31, 2006 10:10 am Post subject:

this sounds EXACTLY like a bad fuel pump. Vatozone sells fuel pressure guages for 20$. i believe they also rent them (you put down a deposit which they refund when you return it)

LB985IROC · Posted: Mon Jul 31, 2006 5:19 pm Post subject:

yea well i have a fuel pressure gage but its at work in my tool box andim in spokane so im trying to do this without it all i know is that it starts for like 2 seconds and dies unless you keep spraying starting fluid down it

Danked · Posted: Mon Jul 31, 2006 5:39 pm Post subject:

hmm.. i would recommend changing your fuel filter, and try to keep it started with starting fluid. are you sure the tank even has gas in it. if so, and the filter does not work, id say either clogged lines, or you need a pump.

aaron_sK · Posted: Mon Jul 31, 2006 6:02 pm Post subject:

Depends on what you want to do: If you want to randomly throw money at it, buy the fuel filter. If you want to throw targeted money at it, rent a fuel pressure gauge.

Danked · Posted: Mon Jul 31, 2006 7:03 pm Post subject:

nicely said Laughing

TecherB · Posted: Tue Aug 01, 2006 9:46 am Post subject:

If you have no access to a fuel pressure gage just check to see if their is any flow un hook the fuel line just before the fuel filter attach a rubber hose to a clean cleat bottel to catch the gas(clean that way you can be cheap and put it back in the gas tank) watch how much fuel runs in to it if none or just a trickel then your definetly chasing a fuel pump problem then test it electricaly. if it flows out fast then it still might be the fuel pump not puting out enough pressure or it could be a fuel filter.

danked why did you tell him to throw parts at it that is stupid and unnessary. if that is how you fix cars you deserve them to blow-up on you.

rjmcgee · The Hammer Joined: 08 Jan 2004 Posts: 2328

Don't these cars just have a schrader valve to check pressure. If your in a bind just use a tire air pressure guage. Like 2 bucks at a gas staition.

Dewey316 · Posted: Tue Aug 01, 2006 11:22 am Post subject:

I don't think that will work. its a -4AN fitting, with a check ball. Not a valve like a tire.

rjmcgee · The Hammer Joined: 08 Jan 2004 Posts: 2328

aaron_sK · Posted: Tue Aug 01, 2006 1:49 pm Post subject:

Thats actually a pretty cool idea. To bad Chevy didn't get in on that one.

Dewey316 · Posted: Tue Aug 01, 2006 1:52 pm Post subject:

TecherB · Posted: Tue Aug 01, 2006 2:11 pm Post subject:

rjmcgee · The Hammer Joined: 08 Jan 2004 Posts: 2328

It's only 35 -40 psi after the pump. The pressure is actually made in the injector. The injectors use the engine oil to work like hydraulics to pump the fuel into the engine. Not 100% sure of all this yet, just kind of what I understand at this point. Pretty cool system though. Unlike most diesels it has no injection pump, just a supply to the injectors. Doesn't even have a throttle cable.

TecherB · Posted: Tue Aug 01, 2006 2:34 pm Post subject:

I was going off my knowledge of a dodge and gm systems that ford one sounds intersting i should read up on it some time

aaron_sK · Posted: Tue Aug 01, 2006 2:47 pm Post subject:

Rod, are you running a 6.0 Powerstroke, or one of their older systems?