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Hey mate, welcome to the forums.

Bit of a cryptic first message.............hope it gets fixed up for you. What was wrong?
 
Been having a problem with a 2002 3.0TD frontier. The engine light started coming up and the diagnostics reported a crank sensor failure. Got Nissan(N&M Tobago) to replace the sensor, same error keeps coming, crank sensor. Confused
The Van was parked down for some time coz of this...eventually had to use it so charged battery and started.....strange....no error.Shocked
1 week of driving.....no error, then suddenly error came back, engine hard starting then gives a small surge once running followed by engine light. Crying or Very sad
Funny thing is, if i start the van with the injector heater turned on and mash the x all the way down, engine starts good - no errors.
Left the van in N&M for 9 days....they eventually removed the ecu and found a loose wire, soldered that back.....no difference.....tried ecu in another frontier, ecu works fine, tried ecu from donor van in mine.....same error.
So, you would think the crank sensor is at fault....so we tried a working sensor from another van.....same error. Nissan have suggested i take the van from tobago to trinidad and let N&M there look at the problem.
 
That's a lovely way of palming the problem off.

"We're not good enough to find the fault, the guys up the road are better"

Hope it works out for you.
 
Well, latest is that a government D22(zd30) was in the garage at the same time so things started getting swapped to test things out....my ecu is fine it turns out, but same crank sensor error coming up.
They swapped crank shaft pulleys to check for any abnormalities, nothing bad to report there.
They now think that the fuel injector pump may be slightly faulty and are looking at 'borrowing' that from the government donor vehicle.
I've got the electronic 2002 D22 manual, but it doesn't cover the ZD30 engine....trying to find that so i can look into this problem further.
 
Dunno if it's any help or in fact if it's not the same manual you already have but you could try

Nissan Service Manuals They have the 02 but i didn't download it to see what it had in it.

Also maybe
Download PDF Nissan Frontier 2007 Service Manual | PDFTown.com

Once again since I haven't got a need for the D22 manual I don't know whats there but it might have something for you, failing that maybe one of the other models that had the ZD30 might be listed there somewhere
 
I've done some searching on this and the two main culprits for this oddly enough seem to be the MAF - Mass Air Flow Sensor, and the EGR (Exhaust Gas Recirculation) system.

Some have complained that the MAF is dirty and cleaning it fixed the problem, others had to replace it. With the EGR, same thing, although some found there were hoses or pipes that had been damaged by ham-fisted service drones.

You could have a look at those too - hope it helps!
 
I've done some searching on this and the two main culprits for this oddly enough seem to be the MAF - Mass Air Flow Sensor, and the EGR (Exhaust Gas Recirculation) system.

Some have complained that the MAF is dirty and cleaning it fixed the problem, others had to replace it. With the EGR, same thing, although some found there were hoses or pipes that had been damaged by ham-fisted service drones.

You could have a look at those too - hope it helps!


Tony, thanks for the heads up on these areas to check....will get the guys to check those areas in the morning. These electrical probs can be a real pain the the proverbial, needle in the haystack times.

Kraftypg, thanks for the links, dloading now...the more manuals the better i feel.
Seems like a great bunch of guys here....well, other side of the world from me!!! Appreciate all the feedback...:shakehands:

Trev
 
Kraftypg, thanks for the links, dloading now...the more manuals the better i feel.
Seems like a great bunch of guys here....well, other side of the world from me!!! Appreciate all the feedback...:shakehands:

Trev

No probs, I don't know how many different versions there are, i suspect not many but the US forum does have a lot of links to different sources for manual.

And yes I am a great guy but I can't speak for the rest of them here :fight:
 
I've done some searching on this and the two main culprits for this oddly enough seem to be the MAF - Mass Air Flow Sensor, and the EGR (Exhaust Gas Recirculation) system.........

no maf sensor in the ZD30 navaras. (you have been reading the patrol info;) )

what could be happing is they are miss reading the code.
one common problem is the timing valve in the pump wears and cannot maintain timing. the pump has its own timing sensor but that is referenced to the crank sensor.
odds are what they are thinking is a crank error is a pump timing error.

if your lucky its just the control board on the pump going bad otherwise its new pump time.
 
no maf sensor in the ZD30 navaras. (you have been reading the patrol info;) )

what could be happing is they are miss reading the code.
one common problem is the timing valve in the pump wears and cannot maintain timing. the pump has its own timing sensor but that is referenced to the crank sensor.
odds are what they are thinking is a crank error is a pump timing error.

if your lucky its just the control board on the pump going bad otherwise its new pump time.
Thanks for this info Tweake, i have called the mech. this morning and given this info to him, whilst the other ZD30 vehicle is in the shop, they will investigate and see what happens......will report back later
 
right........got the van back today. Its been in the so called official Nissan shop for 14 days.
Whilst it was there, they also serviced it, more on that later.....:s:

The crank error is still there......they couldn't find any sensors related to the fuel pump, BUT...wait for it, they feel the pump is failing.
What is strange is that if when starting the van, the throttle is fully depressed then starting, no check engine light comes on and the van drives fine. If the van is started without the throttle being fully depressed the engine light comes on, and the revs surge a little at start. (Anyone seen this behaviour before???)

I told this to the mechanics 2 weeks ago when they got the van hoping they would look into some possible TPS sensor issue, even tho the diags does not report any problems with the TPS.
You can imagine that after 2 weeks, they have me pissed.

Now the service.......oh..and a small lil puncture fix to a rear right tyre.

When i saw the van, the tyre had been put on backwards, against the direction of rotation....not a good start:nono:

So.....off came the wheel and tyre had to be re-put back on, this time the rotation arrow facing the right way.

Paid the bill, asked about plugs, had they been changed???

Their reply, they only replace them if they think they need replacing, now, they haven't seen this van before, and its a 2002 model, so i would have thought they would have maybe considered new plugs as a good idea.

Coolant was listed as being replaced....hmm, thought I'd look under the bonnet and see whats been done.
The coolant we use here is kind of green, even when diluted, so why was there tap water in my radiator, just barely above the rad. veins???
Expansion tank completely empty too.:nono:
The manager wasn't too happy when i noted this to them....no apology either. My wife, well.....she wasn't happy about this and let the manager know.
They replaced the water with the correct coolant.

Unhappy, totally confused and wanting to check the meaning of customer service, I drove the van home. :truck:
On the way home...thoughts running thru my mind, remembering that the lower dash had been pulled apart whilst they checked the electrics, i decided to check the van's strobe lights it has.....guess what, not working, lord have mercy....Moral of this story, every one in the Caribbean, especially Trinidad & Tobago, steer clear from Neal & Massey at all costs, they just do not know what they are doing, nor does it seem that they care either.
Next week, i shall take the van over to Trinidad to some specialists in vehicle electrics to sort this out once and for all.

Will keep you informed as progress happens.
 
Sorry to hear about all the trouble, seems you need to find an arse or two to kick. However it is good too see that there are other idiot Nissan dealers and mine isn't the only one, even if mine have to be compared to a dealer in another country.
 
If the van is started without the throttle being fully depressed the engine light comes on, and the revs surge a little at start. (Anyone seen this behaviour before???)

I don't get the engine light coming on like that. However, I never depress the accelerator when starting, I allow the computer to manage the throttle during startup. It does surge the rpm a little then settles in to idle fairly quickly.
 
The crank error is still there......they couldn't find any sensors related to the fuel pump, BUT...wait for it, they feel the pump is failing.
What is strange is that if when starting the van, the throttle is fully depressed then starting, no check engine light comes on and the van drives fine. If the van is started without the throttle being fully depressed the engine light comes on, and the revs surge a little at start. (Anyone seen this behaviour before???)

i have heard of the fully depressed throttle thing but i have no idea what it does. revs surging a bit on cold start.....yes especially with old fuel filter or air leak in fuel line.

there is sensors in the fuel pump. the fuel pump itself can log errors.

one thing to watch, these engines are NOT fully OBD2 compliant like the petrol motors. generic readers will not always work on them. if they are not useing the nissan tool designed for these motors they may get wrong info.
that could be why they don't know about the fuel pump sensors.
 

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