Hilux running problem
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Hilux running problem
Good day
My friend has a 2006 Hilux 5l. It does not have turbo. The vehicle starts ok when hot or cold, it will idle and rev ok for about a minute, then starts spluttering and smoking as if it was starving.We assumed it to be airlock or blockage.We checked all pipes and filter housing,even replaced copper washers at injector pump intake, but still did the same thing.Eventually to rule out all else, we connected a direct feed from a container with diesel inside, to the injector pump.It still did the same thing.Starts and runs ok for about a minute, then splutters and idles rough and cannot rev. would this confirm that the injector pump is faulty and needs to be repaired or replaced?
Any assistance greatly appreciated.
Regards
Leon
My friend has a 2006 Hilux 5l. It does not have turbo. The vehicle starts ok when hot or cold, it will idle and rev ok for about a minute, then starts spluttering and smoking as if it was starving.We assumed it to be airlock or blockage.We checked all pipes and filter housing,even replaced copper washers at injector pump intake, but still did the same thing.Eventually to rule out all else, we connected a direct feed from a container with diesel inside, to the injector pump.It still did the same thing.Starts and runs ok for about a minute, then splutters and idles rough and cannot rev. would this confirm that the injector pump is faulty and needs to be repaired or replaced?
Any assistance greatly appreciated.
Regards
Leon
Kind regards
Leon Leelee Zerf
Leon Leelee Zerf
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Re: Hilux running problem
Did it suddenly start doing it or did it gradually get worse. Were there any other symptoms before?
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Re: Hilux running problem
Blocked air filter? Blocked exhaust?
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Re: Hilux running problem
Also Check your injectors. Symptoms sound like mine when my injector issues, it turned out to be a damaged injector wire, repaired the wire and all works well. When the engine is running you can disconnect the injector wiring harness one at a time, if the engine note changes that injector is working, do this until the you find the none working injector as the engine sound wont change when you remove the wiring harness.
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Re: Hilux running problem
That will not work on the 5L engine as it is not common rail. Will have to loosen the pipe on the injector if you want to test it like that but i doubt it being injectorsLorry wrote:Also Check your injectors. Symptoms sound like mine when my injector issues, it turned out to be a damaged injector wire, repaired the wire and all works well. When the engine is running you can disconnect the injector wiring harness one at a time, if the engine note changes that injector is working, do this until the you find the none working injector as the engine sound wont change when you remove the wiring harness.
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Re: Hilux running problem
If you smell the exhaust fumes does it maybe give you the suspicion that it may have petrol in the mix. If so then the diesel pump most probably has an electrical problem. Then start by checking the plug wires on the back of the diesel pump. Also check all the earth wires in the engine compartment on the passenger side.
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Re: Hilux running problem
The problem started suddenly, engine runs perfectly when pumping the manual hand pump,so I've ruled out injectors and air filter new.All fuel lines clear.Have removed injector pump and sent for testiñg.I am awaiting results.
Leon Leelee Zerf
Leon Leelee Zerf
Kind regards
Leon Leelee Zerf
Leon Leelee Zerf
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Re: Hilux running problem
If it runs perfectly pumping the hand pump then it is a fuel supply problem. I doubt if you can generate enough pressure there to assist the injector pump if it is worn.
It would be interesting to know.
It would be interesting to know.
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Re: Hilux running problem
Ek dink hy kry lug by die dieselfilter. Sit 'n nuwe een in en maak seker hy seel mooi.
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Re: Hilux running problem
Twee goedkoop "repairs" om eerste te probee:
1) Maak die MAF skoon met "carb cleaner' {Spanjaard is beste]
2) Haal die EGR filter uit. Maak skoon. Vervang of blok af
3- Kyk na die 'water trap' ? Daar kan ook water in jou tenk wees .. ek het by n ENGEN garage in ATTERBURY Weg , Menlyn waterbwsoedelde diesel gekry [23% water in di ediesel gewees]
1) Maak die MAF skoon met "carb cleaner' {Spanjaard is beste]
2) Haal die EGR filter uit. Maak skoon. Vervang of blok af
3- Kyk na die 'water trap' ? Daar kan ook water in jou tenk wees .. ek het by n ENGEN garage in ATTERBURY Weg , Menlyn waterbwsoedelde diesel gekry [23% water in di ediesel gewees]
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Re: Hilux running problem
Problem Solved......
Sent injector pump for checking. They said the pump was not drawing it's own fuel that is why when we used the lift pump, the engine could run normally.They replaced a 'Pulse gear' and also replaced the regulator distributor(or something like that) at the back end of the pump.
Re-fitted injector pump to vehicle. Now Running perfectly.
Thank you all.
Sent injector pump for checking. They said the pump was not drawing it's own fuel that is why when we used the lift pump, the engine could run normally.They replaced a 'Pulse gear' and also replaced the regulator distributor(or something like that) at the back end of the pump.
Re-fitted injector pump to vehicle. Now Running perfectly.
Thank you all.
Kind regards
Leon Leelee Zerf
Leon Leelee Zerf
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- LR4WD, Lockers, Crawler Gears
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Re: Hilux running problem
Great information thanks