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Pontiac 6000 injected - fuel problems

 
McCool McCool
New User | Posts: 4 | Joined: 02/06
Posted: 03/14/06
07:14 AM

Hey guys,

I'm a college student and I need this vehicle to get me to school, I've poured a lot of money and time into her and she is giving me some trouble with the fuel system and I am at wits end as to what to do next. So far I have replaced all the gas lines, fuel pump and the fuel filter. To be safe I also cleaned the injectors (all within the last month). Recently when I try to start the car I have to turn her over wait three seconds and then turn her over again before she starts and even then it takes quite a few cranks before she catches. Sometimes when I actually get her going, she stalls right after she starts so I have to give her some gas to prevent it from happening, but it only happens as soon at you start her, while she is driving there is no problems at all.

When you put the ignition into the on position and you get underneath the car (or put your ear to the opening of the gas tank) you can't hear the fuel pump pressurizing the system. BUT after you drive it around for a while and turn the car off and get out you can hear the pump going from several feet away. I haven't checked the fuel pressure frankly because it is a pain in the *** and I don't want to do it unless its necessary...

Any ideas as too what I can do?  

 
superautodepot_com superautodepot_com
New User | Posts: 4 | Joined: 03/06
Posted: 03/19/06
11:27 PM

I remember having the same problem with my car at one time.  I have long since departed with this car, but it was a 1991 Pontiac 6000LE I believe and this problem actually bothered me for a few weeks.  I never did figure out why it did this, but the problem did go away on its own.  I do not know why.  Maybe its a connection some place in the car that is causing the electric fuel pump to short or not come on.  

Has anyone else run into this problem?  

 
roger roger
New User | Posts: 8 | Joined: 03/06
Posted: 03/20/06
04:07 PM

DOES IT DO IT WHEN SHE IS COLD IF SO REPLACE THE AIRFILTER SEE WHAT IT DOES.  I HAD A CAR THAT DID THE SAME THING ONLY WHAN IT WAS COLD AND IT WAS THE AIRFILTER  GOOD LUCK..  

 
McCool McCool
New User | Posts: 4 | Joined: 02/06
Posted: 03/21/06
02:09 AM

I think you may be right when you say it is an electrical problem:

I de-greased the engine using a commercial de-greaser. The car started and ran like *** afterwards which I dismissed thinking that it was only doing that because the belts were wet. The next day it started acting up and has yet to stop. Could the wires be shorting now because of that?

The air filter is about a month old, same with the PCV filter so I can;t see that being a problem.  

 
dde123 dde123
New User | Posts: 21 | Joined: 07/06
Posted: 07/21/06
06:30 AM

well you're just going to have to check that pain in the popo because you should never ever have to pump the gas on a fuel injected engine. so it is either your fuel regulation valve or your fuel pump which is in your tank, and that is not a lot of fun to change. dave  

 

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