Question about 1987 Volkswagen GTI

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Fuel pump is not priming - 1987 Volkswagen GTI

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Transfer pump/pick up pump is worn. Replace.

Posted on Oct 21, 2013

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Will Vaseline lock the engine if you prime the fuel pump with it on a 2007 grand prix


There is no need to prime the pump with anything on a 2007 Grand Prix. The pump is submerged in the fuel tank and will push fuel to the engine without priming.

Dec 22, 2016 | 2007 Pontiac Grand Prix

1 Answer

Car has been sitting up and will not start now. It seems to not be getting gas and I do not know how to prime a fuel injection system. Any help appreciated.


There is only a few cars fitted with an ancient petrol injection system that needed any priming.

Diesel engines mostly need the injection system priming but petrol injection systems do not.

Lots of cars use a system where the fuel pump runs for a couple of seconds when the ignition is switched on and that is all the time it takes to prime the fuel system. After a couple of seconds the fuel pump switches off and waits to restart when the engine is cranked.

As priming the system takes only a couple of seconds some manufacturers don't bother with the brief priming run of the pump and just have the pump start when cranking.

Could be faulty supply, fuse, pump relay or the pump itself.
If the car is fitted with an immobiliser, perhaps that is the problem.

May 07, 2016 | 1998 Mercury Mystique

1 Answer

WHAT CAUSES ASTRO VAN FUEL PUMP NOT PRIMING BUT DOES SOME TIMES


check if the problem is when the petrol level is low in the tank.( possible intake problem rust problem.) Run fault codes to check for venting problems.

Aug 10, 2014 | 1997 Chevrolet Astro

1 Answer

When my fuel pump didn't turn on, my truck wouldn't start, if it did turn on it started right up. I replaced the fuel pump and it starts every time, but the fuel pump doesn't turn on every time. Is...


the fuel pump don't turn on every time . first when the pump as prime or if system is prime the pump will not turn on
the PCM give a ground to fuel pump relay for 2 sec and while the engine is cranking the pump is running all the time.
but pcm don't prime each time

Oct 10, 2013 | 1998 Chevrolet K1500

1 Answer

12ht wont prime


filling the filters before installing will make priming go more quickly.
once the pump is primed crack open the fuse line at the injector while cranking until you have fuel pulsing out, close it then move on to the next injector.
keep doing this until the engine runs smoothly.
it may start running before all the injectors have been purged so keep clear of all moving parts and a fire extinguisher handy would be a good idea.

Apr 14, 2013 | 1989 Toyota Land Cruiser

1 Answer

Isuzu kb 280 dt got a fuel starvation problem after it stands for a few days, when i pump the prime pump on top of fuel filter the problem is gon.


It could either be a fuel pipe between your prime pump and injector pump that sucks air so your diesel flows back into your fuel tank. Or you need to replace the prime pump.There is a rubber diaphragm in the prime pump that gets worn. Unfortunately need to buy a new prime pump. A simple sollution is to fit a non return valve to your fuel line. That need to be connected between the prime pump and fuel tank. Hope it helps. Blessings

Nov 09, 2012 | Isuzu Rodeo Sport Cars & Trucks

1 Answer

Ran out of diesel, added diesel but now it wont start 2007 Chev 2500


Hello and welcome. you will have to perform the bleed procedure using the fuel prime on the fuel filter housing. there is a pump on top of the fuel filter assembly, on the passenger side of engine.

Open the vent valve screw (1) by turning the screw counterclockwise several full turns.




Operate the priming pump (1) by repeatedly pumping until a small amount of fuel seeps from the vent valve. Allow the pump to fully return upward between pumps. When fuel is present, the filter is full of fuel and the system is primed.
Close the vent valve screw.

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Jul 01, 2010 | 2007 Chevrolet Silverado 2500HD

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I have a 1989 iroc camero that will not start.it has a throttle body carb and is a 305.the fuel pump works fine.the car will start if you prime it,but otherwise it wont fire at all.it has power on one wire...


Although you Say the Fuel Pump is Fine, What you Discribe is A NO FUEL Problem If it Starts When Priming and Does Not Without Prime this IS a Fuel Pump Problem NOTE: If you HEAR the Fuel Pump this only Indicates that the MOTOR that Drives the Fuel Pump Works , A Fuel Puessure Test Will Determine if your Fuel Pump In FACT DOES Work.

Apr 18, 2010 | 1989 Chevrolet Camaro

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