emergency engine help needed

[crm318]

im on vacation 350 miles from home and my truck is giving me major problems. the first half of the trip went very well. then i noticed that my milage started to suck. when i would come to idle, the truck would barely idle and the exhaust was rich and smelled like raw gas. i pulled over and pulled my carb of (qjet) and disassimbled it. i noticed that there was fuel puddled in the intake. i then bent the float down a little and it made it run better but it still idled rough. i called sean murphy and he said that the fuel pump may have gone out and was putting too much p.s.i. out. im going to change out the pump tomorrow. is there anything else i might be missing.

[matthufham]

did a vacuum line come off the tranny or elsewhere?

[Cyclone44]

with matthufham, Also you might want to let us know where you are, Maybe a board member is close and can help you out, I know I would.....

[neonlarry]

Is the Q-Jet from Sean? If not the well plugs could be leaking badly and cause this (if Sean built the carb he usually takes care that those won't leak). Just another possibility. Also check the needle valve for dirt holding it open.

[LockDoc]

Here are the numbers for the emergency contact list in this post by Josh:

http://67-72chevytrucks.com/vboard/s...d.php?t=159313

You might give that a try.

LockDoc

[crm318]

i will check the vacuum line. im in south padre island tx. im about to get the new pump on and i will let yall know.

[Eichorst69]

The float may be bad. They will absorb fuel and sink causing the motor to run rich and flood out.

Rob

[72gmcworker]

My guess too would be dirt in needle float valve....had a simular problem and it eventually cleaned itself...ran like crap and would not idle for a while though since it was getting to much fuel.
This happened after a fuel filter change on the carb (Q-jet)

[68gmsee]

Originally Posted by crm318

i called sean murphy and he said that the fuel pump may have gone out and was putting too much p.s.i. out. im going to change out the pump tomorrow. is there anything else i might be missing.

Must have an electric fuel pump? I've never heard of the problem with too much psi from a mechanical fuel pump.

Anyway, I've had the same problem in the past and it's always been the carb. As mentioned above, I'm with the carb group. I've had to clean the bowl out real good and either replace or clean the needle valve, the seat and also make sure the float is good.

Please let us know what you find.