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94 Burb

ghitch75

ghitch75

livin' in the sticks
Messages
406
Reaction score
8
Location
Indiana B.F.E.
i bought a 94 Burb.....it didn't have a IP.....so i took the IP off my 95 Burb that caught fire and put it in the 94.....it's a dog,rev's slow and rattles when idling.....there are no codes fuel pressure is 7psi at idle and 4 at WOT......is the 94 ECM mad at the 95 IP?...there is no blowby at 225xxx on the clock.......it is bone stock exhaust and all as far as i can tell......help!!!

btw the 95 ran great before it burnt...
 
Check for codes. Swap PMD's. Check for air from return line.

Check if the converter plugged up.

Manually move pump dime width retarded. If it smokes white you went too far. Try the same advance, dime width.

Turbo and vac system working ok?

Possible the pump was ruined by high heat in the fire.
 
no codes....air from return line?< i don't know what to check?

going to sawall it off....

i guess i haven't went that far for white smoke.....will take it further and see.....idle low 600 rpm warmed up....

i removed vac pump and installed TM.....

fire was at the fire wall....nothing melted or burned on IP...

i have the Heath PMD mounted but waiting for new cable....running off a good PMD....
 
Off the front of the injection pump is the return line, put the clear tube there. I run a glass viewer permanantly installed on the input side about a foot before the IP to check for air going in as well. Any air is bad!!
 
there is a solid stream of fuel......one thing i just thought of is the fuel in it is over 2 years old..... i dump 5 gallons of off road in it as it died going down my drive.....will get 15 gallon of fresh on road tomorrow...

it never would warm up all the way before.....so i checked the T-stat and it fell apart when i took it out.......i took the stat out of my old burb........ran it down the road and it ran better but still loud diesel rattle at idle.......going to hack the exhaust off it......then get the diamond eye off the 95....
 
The new fuel cant hurt, incase you didnt know the red offroad is the same as onroad with a dye added for monitoring by your local authorities making sure you pay road taxes. Same dye added to tranny fluid. I hate that stuff, ruined many a clothes, couple truck interiors, home carpeting and made the wife REAL HAPPY :cussing:. So glad I don't have to mess with that stuff anymore.
 
Will L. said:
The new fuel cant hurt, incase you didnt know the red offroad is the same as onroad with a dye added for monitoring by your local authorities making sure you pay road taxes. Same dye added to tranny fluid. I hate that stuff, ruined many a clothes, couple truck interiors, home carpeting and made the wife REAL HAPPY :cussing:. So glad I don't have to mess with that stuff anymore.
Click to expand...

i thought off road had more sulfur than on road?.....my 580C smokes more with off road than on road and the exhaust smell stronger with off road too....maybe it just my imagination:???:
 
The dye that is added is powerful (tint wise) as you might've got the clue from my whining about staining all the stuff red and pink. Not very much of it is used to change the color of the fuel or tranny fluid, I'm talking a handful of that stuff dies thousands of gallons. By the time you figure out how much is in one tank full of fuel you are counting drops or at least portions of drops. No way it could cause a different smell or more exhaust smoke.

All that being said it is always possible that a local fuel supplier is bending some rules in your area. Of course I've been out of touch with fuel regulations for a little while unfortunately. I'm about to have to brush back up on all that. Maybe there are some parts of the country that was exempted from the standards of consumer fuel regulation (Kind of like knowing you will get the same Bigmack no matter which McDonald's you go to). That's why it all the fuel pump you'll notice the stupid stickers like identifying number one diesel from number two diesel or saying what percentage the fuel is oxygenated at and from what time of year that the oxygenated fuel changes percentages, etc.

If you do have higher sulfur, I would enjoy it, as it is much better because the lubricants are attached to the sulfur molecules in the diesel fuel. Almost all refineries have to go through a process to remove the sulfur from the diesel at an added expense, which of course you when I get to pay for at our fuel tank. That is why so many people are running additives in the fuel to help with lubricity to extend injector and IP life.. And if you went back to before ultra low sulfur or even low sulfur was in use no one ever had to use any additives.
 
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