Question about 1987 GMC Jimmy

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No fuel getting to throttle body / installed new fuel pump and filter / gas is in line but will not come out when turned over

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Are you geting power to the fuel pump?? On some vehicles the electric fuel pump primes when the ignition is switched on to acc (i.e when all the dash lights come on etc) and on other vehicles the fuel pump doesnt start untill you turn the ignition over to the "start" position. Id check the fuel pump was acutally getting power and go from there

Posted on Jun 30, 2009

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The fuel pump on your truck only runs while you are cranking over the engine or for a few seconds when the ignition key is turned on so check to make sure you have power at the fuel pump while cranking over the engine, if not first check all of the fuses and then check the fuel pump relay on the firewall.

Posted on Jul 24, 2009

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ELECTRICAL!

Posted on Jun 30, 2009

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1 Answer

My 98 gmc safari starts but won't stay started unless u keep putting gas into the throtal thing behind the airvent I already changed the fuel filter still doing the same thing help


It might be your fuel pump not getting fuel to throttle body. Disconnect fuel line to throttle housing get someone to turn car over and see if fuel is getting pumped up. If not the pump could be faulty or fuel filter blocked. Also check to see if you car has a fuel cut of reset button it could just need a reset.

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1990 chevy lumina will not start. it is leaking gas and has had fuel filter changed, new fuel pump, and throttle body and still wont start. HELP PLEASE


Hello my name is brad,where is it leaking gas from,in the area of fuel tank or fuel filter,or fuel line.please get back .thank you

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I have a 1993 gmc 2500 van with a 4.3 v 6 engine stalls will not start. get no fuel at throttle body inj. if I add fuel to throttle body van will start and run as long as I give it gas . when allowed to...


You must have a leak or one of the lines are clogged. The reason it stays running when your on the gas is because it keeps the fuel pressure up. Then when it shuts off it loses all pressure in the line and the pump cant handle the initial start with the leak in the line.

Sep 14, 2010 | 1993 GMC G2500

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Car sat 3 years, tried to start. Had to replace fuel filter, still not getting fuel.


Did you check to make sure fuel is getting as far as the filter? Detach the fuel line at the filter and have someone crank the engine. If fuel doesn't get to the end of the line you've got a clog somewhere else or there's a break in the fuel line.

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Got water in fuel tank,removed water from truckchanged fuel filter & plugs still will not start


was fuel pump changed and lines flushed---turn key on if fuel pump hums system should pressurize turn off and under hood check to see is gas is present in fuel line[have rag handy and press valve down at fuel test port which is in line between distributor and throttle body if no pressure filter clogged or pump not working -if fuel and water need to drain again -if fuel than need to test throttle body -spray some starter fluid into truck if starts or sputters than still have problem with fuel delivery --

Jan 25, 2010 | 1999 Chevrolet Silverado 1500

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05 silverado turns over wont start though jus repaced the fuel pump and still nothing spayed starting fluid domn it and runs for 10 to 15 seconds any suggestions


If starter fluid fires it up then your problem is still in the fuel system. You've already tested the throttle intake so move to fuel filter(s) next. Most cars with fuel filter problems will usually start or at least try to start but not necessarily. Next, disconnect the fuel line from the new pump and pump some gas into a glass jar. Filter that jar through a coffee filter and see if your fuel tank is dirty. This also seems unlikely because the truck is only an '05 but it is possible. You'll at least know whether your new pump is working right. I get a lot more new parts, that are no good, than you'd think possible. Next, check your fuel lines for kinks or other irregularities. The problem is almost definately in the fuel delivery system and not the throttle body/injector/carb and hopefully one of these will find it.

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3 Answers

Want start


pls give me ur problem in more detailed and good explanation

Jun 12, 2009 | 1991 GMC Sonoma

2 Answers

No Fuel at throttle body


Fuses first.
Then, disconnect the fuel line at the throttle body (unless there is a fuel pressure testing port) and see if there is fuel when you turn on the key.
If not, fuel pump, probably in tank. (assuming there isn't one on the side of the engine..)
If there IS fuel in the line, then the computer may not be engaging the injectors. Check for wiring issues on something that old. Maybe the main junction splice for power to the computer. (Not sure where on that one, sometimes it's in a dumb place, like near the battery and it gets corroded).

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1 Answer

1995 dodge neon 2.0l sohc will not start not getting gas


Hi!
As u said u r not getting gas to the injectors and u have changed the filter and the pump and it still the same.
Now u need to check the fuel lines for blockage and if the fuel tank is clean.Also check the suction line for holes and proper installation.

Dec 19, 2008 | 1995 Dodge Neon

3 Answers

1996 GMC Sierra 1500 truck fuel problem


Have you check the injector relay or maybe a fuse for injectors.

Aug 26, 2008 | 1996 GMC Sierra

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