Diesel Fuel Injection System Help Desk

[Dieseldude]

Diseldude,

Sir, i drive a 1997 starex with a non turbo engine. It logged more than a 100k kms already. Regularly change oil, oil filter, fuel filter and air cleaner. So far engine is still ok runs smooth and still no substantial smoke.
Sa akin kasi as long as walang problem with the injection pump, do'nt touch it. Is this right? Also my mechanic whenever he change the fuel filter he also bleeds the fuel lines going to the cylender, yung apat apart from the fuel filter. Is this better?

Thanks and more power

Yes, you are correct. You don't have to touch the injection pump if it is working properly. At 100k kms, you have to replace the timing belts though, as this will cause major engine damage if they fail.

You don't have to bleed the high pressure lines to the injectors if you are able to successfully start the engine after a fuel filter change.

[Dieseldude]

Diseldude,

Sir, i drive a 1997 starex with a non turbo engine. It logged more than a 100k kms already. Regularly change oil, oil filter, fuel filter and air cleaner. So far engine is still ok runs smooth and still no substantial smoke.
Sa akin kasi as long as walang problem with the injection pump, do'nt touch it. Is this right? Also my mechanic whenever he change the fuel filter he also bleeds the fuel lines going to the cylender, yung apat apart from the fuel filter. Is this better?

Thanks and more power

Yes, you are correct. You don't have to touch the injection pump if it is working properly. At 100k kms, you have to replace the timing belts though, as this will cause major damage failure if they fail.

You don't have to bleed the high pressure lines to the injectors if you are able to successfully start the engine after a fuel filter change.

[warrior]

Yes, you are correct. You don't have to touch the injection pump if it is working properly. At 100k kms, you have to replace the timing belts though, as this will cause major damage failure if they fail.

You don't have to bleed the high pressure lines to the injectors if you are able to successfully start the engine after a fuel filter change.

Sir,

Thank you for answering my query

[Hibiki]

DieselDude,

Without dismantling the injection pump, pwede bang:

1. Check and adjust the Fuel Delivery Pessure ng injection pump? (For 4JA1, for example, .2 kg/cm2)
2. Adjust the injection timing of the pump to default setting?

Thanks.

[carbuncle]

ano may ok. pa calibrate o carbon clean? kasi napansin ko.. mas mabilis tumaas rpm ko kaysa sa speedometer. pagumabot na ako ng 100 km/hr... rpm ko is nasa 3.5 dati... nasa 120km/hr 3.5 lang rpm. tama kaya ito? caibration ba needed for this? thanks.

[jvandanne]

in new turbo diesels right now, is there any special maintenance you need to do for the turbo and intercooler?

[Dieseldude]

in new turbo diesels right now, is there any special maintenance you need to do for the turbo and intercooler?

No special maintenance is required. Having a clean air filter on your engine is enough.

A blocked air filter will cause your turbo to leak oil into the intercooler. Oil plus dust from your air filter will block the intercooler.

[carbuncle]

in new turbo diesels right now, is there any special maintenance you need to do for the turbo and intercooler?

dude. pag bago lalu na pag common-rail.. i suggest let the manufacturers do the maintenance. take advantage of the 100k or 3yrs. warranty. yung innova namin na bago hindi namin magalaw... toyota lang. thanks.

[Dieseldude]

ano may ok. pa calibrate o carbon clean? kasi napansin ko.. mas mabilis tumaas rpm ko kaysa sa speedometer. pagumabot na ako ng 100 km/hr... rpm ko is nasa 3.5 dati... nasa 120km/hr 3.5 lang rpm. tama kaya ito? caibration ba needed for this? thanks.

You don't need carbon clean or pump calibration on your specific complaint. You need to check the accuracy of your speedometer and tachometer. Questions:
1) Did you change your tires or tire size?
2) Was clutch work done on your car?

[mangyan]

sir dieseldude,
I have this problem since i acquired my 2002 strada. Sort of a factory defect. The problem is whenever I am traversing a slope ( 10 degrees in my inclinometer), I am losing power especially from a halt. Parang mamatayan ako ng engine. What i do is apply my handbrake and rev my engine up to 2k then let go my handbrake to accelerate. Sabi ng mekaniko ko, kulang daw sa galit ang makina pag nire-rev. Medyo ipina-advance ko ang timing at medyo nakatulong kaso maingay ang makina at malakas sa diesel. what is supposed to be the problem? Thanks in advance.

[Dieseldude]

sir dieseldude,
I have this problem since i acquired my 2002 strada. Sort of a factory defect. The problem is whenever I am traversing a slope ( 10 degrees in my inclinometer), I am losing power especially from a halt. Parang mamatayan ako ng engine. What i do is apply my handbrake and rev my engine up to 2k then let go my handbrake to accelerate. Sabi ng mekaniko ko, kulang daw sa galit ang makina pag nire-rev. Medyo ipina-advance ko ang timing at medyo nakatulong kaso maingay ang makina at malakas sa diesel. what is supposed to be the problem? Thanks in advance.

You should have requested Mitsubishi for warranty support when you first noticed this problem. But I guess this is now too late.

I have the following questions:
1) Did you increase tire size?
2) Do you have an automatic transmission, which may not be downshifting to first gear?
3) Does your engine smoke a lot when you're losing power?
4) Has anyone tampered with your injection pump's adjustments?
5) Have you checked your brake adjustments? Brakes could be sticking.
6) Have you tried replacing your fuel and air filters?

Your anwsers to these questions may help in diagnosing your problem.
You can also bring your Strada to us for evaluation. This is free of charge.

Best regards,

Dirseldude

[shanejc]

good day sir dieseldude,

inquiry lng po bossing: just acquired a 2ndhand m/t tdic starex w/ 73k odo reading, just recently i noticed emission of black smoke when i rev up frm 2500 beyond. it was newly changed oil, newly replaced air filter- does it has to do with the injection system kaya ganun? ok nman yung hatak nya aftr machange-oil, medyo nagpino nga takbo ng makina saka ramdam pa din yung hataw kpg pumalo sa 2k-2.5k rpm.
btw, it was casa maintained b4 i got it, as the receipts prove it. napansin ko lng sa 50000 & 60000 pms nkalagay sa receipt: SST applied to adjust injection pump timing, was this enough to solve such emission?
klangan ko na bng patingnan o pacalibrate yun pump ko? san nga po pala location ng shop nyo?
hoping for your enlightening response....
thanks very much

[Dieseldude]

good day sir dieseldude,

inquiry lng po bossing: just acquired a 2ndhand m/t tdic starex w/ 73k odo reading, just recently i noticed emission of black smoke when i rev up frm 2500 beyond. it was newly changed oil, newly replaced air filter- does it has to do with the injection system kaya ganun? ok nman yung hatak nya aftr machange-oil, medyo nagpino nga takbo ng makina saka ramdam pa din yung hataw kpg pumalo sa 2k-2.5k rpm.
btw, it was casa maintained b4 i got it, as the receipts prove it. napansin ko lng sa 50000 & 60000 pms nkalagay sa receipt: SST applied to adjust injection pump timing, was this enough to solve such emission?
klangan ko na bng patingnan o pacalibrate yun pump ko? san nga po pala location ng shop nyo?
hoping for your enlightening response....
thanks very much

Only two things you have to be sure of:
1) Did you use an original air filter? Some replacement filters restrict air to the engine. Insufficient air will result in black smoke.
2) Make sure that your injection pump to engine timing is on spec.

If you are sure about these things, it his highly possible that calibration of your fuel injection pump and injectors may cure your problem.

Bye,

Dieseldude

[diy-er]

Sir DieselDude,

Hope you can help me out with a problem that I have with my van. I own a starex 2k that runs sluggish. I want to ask how do you advance the timing of the injector pump?

[Dieseldude]

Sir DieselDude,

Hope you can help me out with a problem that I have with my van. I own a starex 2k that runs sluggish. I want to ask how do you advance the timing of the injector pump?

I don't recommend altering the injection pump timing as this normally does not change. You can do the following:
1) Replace the air filter with an original one.
2) Replace the fuel filter.
3) Check accelerator linkages and cable. Injection pump throttle lever should touch the maximum speed adjusting screw when the accelerator pedal is fully depressed.

By the way does your Starex discharge a lot of black smoke?

If you still have low power after performing steps 1 to 3, I suggest that you bring your van to an authorized diesel service shop. We can correct your problem.

Bye,

Dieseldude

[boy astig]

Good day sir dieseldude!!!

What are the signs that the magnetic shut off switch of the injector pump has to be replaced? Our ride (hilander 97) just conked out in the middle of the road this morning and this was the culprit found by the mechanic. Of course this caused us a lot of trouble but for the benefit of the other forumers, any shared information on this is greatly appreciated.

TIA

[Dieseldude]

Good day sir dieseldude!!!

What are the signs that the magnetic shut off switch of the injector pump has to be replaced? Our ride (hilander 97) just conked out in the middle of the road this morning and this was the culprit found by the mechanic. Of course this caused us a lot of trouble but for the benefit of the other forumers, any shared information on this is greatly appreciated.

TIA

Magnetic shut-off valves are normally used on rotary (VE type) pumps. This is located on top of the rotor head, at the rear of the injection pump. More common vehicle applications are Pajeros, Hilanders, Toyota FX, and the older Starex vans, etc.

A good shut-off valve allows fuel to be routed to the rotor head for pumping to the injectors. A failed electric shut-off valve will not allow a start as fuel cannot reach the rotor head.

Shut-off valves are built to last and don't often fail. A more common problem is a broken positive wire connection from the ignition switch to the shut-off valve. This wire has to be checked for breaks and for presence of battery voltage prior to magnetic valve replacement.

Btw, internal injection pump failure, or engine-related failures can also result in a no-start condition.

Bye,

Dieseldude

[boy astig]

Thank you Sir Dieseldude

[Doc Diesel]

in new turbo diesels right now, is there any special maintenance you need to do for the turbo and intercooler?

a turbo timer to minimize lag and to prevent premature wear usually associated with lubrication when shutting down abruptly.

[maresoice]

sir does central diesel have the equipment to calibrate nissan patrol's common rail injection pump year model 2002 president edition.? mas mura po ba kayo sa casa?