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Car Forum / Chevrolet / Chevrolet Trucks / September 2006Fuel pump
My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months ago. I went to Advanced Auto and bought and had one installed. Now this one is acting up. The truck will not start in the morning, I have to spray a little bit of ether to get it going. I'm going to replace it with an ACDelco but I can't determine if my VIN = W. My VIN is 1GCDT19W1Y8179944 obviously there's a W in there - but I just want to confirm it with you guys. Thanks, Glenn >My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months >ago. I went to Advanced Auto and bought and had one installed. Now this [quoted text clipped - 7 lines] > >Glenn Have you changed fuel filter recently? ALso those pumps will not last long if you run your tank low a lot. You really want to keep it above 1/4 most of the time as the fuel cools and lubes pump. ----------------- TheSnoMan.com It was changed a year ago when I have the Fuel pump changed, do you think I should change it out before purchasing another pump? Glenn >>My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 >>months [quoted text clipped - 15 lines] > ----------------- > TheSnoMan.com >It was changed a year ago when I have the Fuel pump changed, do you think I >should change it out before purchasing another pump? Yes and do a pressure check too. It should be 60 to 65 PSI. ----------------- TheSnoMan.com > Have you changed fuel filter recently? ALso those pumps will not last > long if you run your tank low a lot. You really want to keep it above > 1/4 most of the time as the fuel cools and lubes pump. Haven't had the fuel pump module out of a 2000 GM truck, have you, Snoman!? Things have changed a bit since the days of a fuel pump hanging into the bottom of a fuel tank with no module around it. Ian >Haven't had the fuel pump module out of a 2000 GM truck, have >you, Snoman!? Things have changed a bit since the days of a fuel >pump hanging into the bottom of a fuel tank with no module around >it. They are still lubed and cooled by fuel. ----------------- TheSnoMan.com > >Haven't had the fuel pump module out of a 2000 GM truck, have > >you, Snoman!? Things have changed a bit since the days of a fuel > >pump hanging into the bottom of a fuel tank with no module around > >it. > > They are still lubed and cooled by fuel. ^^^ And that was precisely the point that Ian was making. >And that was precisely the point that Ian was making. And your point???? ----------------- TheSnoMan.com > >And that was precisely the point that Ian was making. > > And your point???? My point is; you are obviously not familiar with the components in question and should recuse yourself from giving advice. > They are still lubed and cooled by fuel. Yes....we all know that....but what happens when a fuel pump is enclosed in a module and the module retains it's own fuel level right until the fuel tank goes completely empty? This is the problem when people give out dated advice to the folks on these newsgroups looking for "up to date" information on how to diagnose and repair their "modern" vehicle. Of course, if you haven't pulled one of these out in years, you wouldn't know this, and continue to give erroneous information to people, such as "you need to keep the fuel tank at least at 1/4 tank or the pump can fail due to lack of cooling". Totally incorrect, and out of date information! Ian Shades of Dean Darwin or Fartwind...... >> They are still lubed and cooled by fuel. > [quoted text clipped - 14 lines] > > Ian > My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months > ago. I went to Advanced Auto and bought and had one installed. Now this [quoted text clipped - 7 lines] > > Glenn If it starts up with starting fluid and then runs fine I doubt it's the pump. More like the regulator or injector is leaking down. Or the fuel pump relay isn't working. Do you hear the pump when you turn the key ON without trying to start the engine? If not the relay is probably bad. Any problems with bad mileage?  SignatureSteve W. > My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months > ago. I went to Advanced Auto and bought and had one installed. Life time Warranty ! Now this > one is acting up. The truck will not start in the morning, I have to spray > a little bit of ether to get it going. I'm going to replace it with an [quoted text clipped - 5 lines] > > Glenn SignatureIt Doesnot Take Brains To Get A High Paying Job! All You Need Is A College Degree > I'm going to replace it with an ACDelco but I can't determine if my > VIN = W. My VIN is 1GCDT19W1Y8179944 obviously there's a W in there > - but I just want to confirm it with you guys. Yes, you have a W engine, 8th digit is the engine code. Ian >My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months >ago. I went to Advanced Auto and bought and had one installed. Now this [quoted text clipped - 7 lines] > >Glenn 8th digit of the VIN so its a W ----------- Elbert ask@me.com > My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months > ago. I went to Advanced Auto and bought and had one installed. Now this [quoted text clipped - 7 lines] > > Glenn > My 2000 Chev S10 4x4 truck just had it's fuel pump replaced about 15 months > ago. I went to Advanced Auto and bought and had one installed. Now this [quoted text clipped - 7 lines] > > Glenn I've been having the same problem. First noticed that it would not start when voltage gage showed 10 or under. If I throw the charger on and up the voltage to 14 it pops right off. Could this be just a weak pump that increases the start up pressure with a higher voltage to the pump? After it runs for a while there is no problem on a restart, however if it sits for an hour or so it acts up again. Sometimes cycling the iginition key on for a couple of seconds and off again seem to help. Suspect I am increasing fuel pressure by doing this. Fuel filter is only 6 months old. Fuel pump was replaced by a shop about 1.5 years ago while on a road trip ($700+) when the original one crapped out. Started noticing this problem not long after but never related the two. First symptoms was hard starting when temperatures were cold. After a while it didn't matter if it was cold or not. I have been told by a local shop owner that he has experienced problems with aftermarket fuel pumps from several suppliers and not only gets GM pumps. Also stated when replacing pumps to replace the wires that are included with the new pump even if they look good. I am actually not sure if it is the pump or the power to it. I have recorded a voltage drop at the fuse box and at the cigarette lighter socket dropping to 9 to 7 volts when the battery voltage is 11 or higher when cranking the engine. It will not start if I keep cranking. I have to hit the key for about a second and back off -- sometimes it will catch, other times not, but I do notice the voltage drop every time. I have had the battery checked out twice and tried other batteries with the same result. Voltage measured at the cigerette lighter must be 10.5 or higher before it starts. The voltage drop is not coming from the starter, already replaced it and didn't make any difference. Is this kind of drop normal during starting? What else is getting power when the key is in the starting position? Will a weak pump just need more voltage to deliver the necessary pressure? Thanks for any helpful replies. |
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