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Discussion Starter #1
Hi,

New member looking for some help.

My 1999 Terrano is suffering from power loss under acceleration and struggles up an incline. The MIL is not on.

I have endured MAF sensor failure (80k miles) and fuel pump failure (110k miles), and the power loss is not as bad as either of these faults, but rather just very sluggish. It still manages to reach 80+ mph on the level, but takes forever to get there.

Since the problem started, I have done a complete filter change and cleaned the mesh filter in front of the MAF sensor, but this has made no difference.

Does anybody have any ideas for me to have a look at, as I can't really afford another expensive garage bill!

Cheers for any help.
 

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Discussion Starter #5
chimmike said:
glow plugs (it's diesel right?) exhaust leak possibly? maybe some bad fuel?
Yeah, it's a diesel, but starts on the first swing. If it was the glow plugs, would it not battle to start? The entire exhaust is only a year old, but I have not checked that yet.

The problem started a couple of weeks ago, and I have refueled a few times since - if it was dodgy fuel would it not have cleared the system by now?

Forgot to mention in the earlier post that it has a very slight hiccup at about 2500rpm when revving while stationary, with a slight puff of smoke.
 

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could be an exhaust leak or a turbo problem...............a bad glow plug doesn't necessarily mean it won't start either.
 

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chimmike said:
they have direct injection, which, iirc, doesn't have injectors........
damn hippie technology...

maybe I misunderstand what TDI is... I thought it injects the fuel into the combustion chamber at the exact moment of compression, which in a diesel is a lot higher, and this causes combustion no?
 

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Discussion Starter #8
What are the chances of this problem being either a faulty exhaust gas recirculating valve or a stuck turbo waste gate? Any ideas would be appreciated.
 

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Me too

Hi
I have a 1997 Ford Maverick with exactly thesame problem, including the hiccup at 2500 rpm. Could someone explain the other problems thatcould cause this? (ie the ones Tia has solved previusly).
 

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Hi
I fixed my problem this weekedn-the problem was a dirty air flow meter (which I cleaned) and the car now (literally) runs like new. It had got dirty because there was a gap in the air filter/flange assembly letting in dirty air.
 

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Tia said:
What are the chances of this problem being either a faulty exhaust gas recirculating valve or a stuck turbo waste gate? Any ideas would be appreciated.

I'm from Suriname (that's in South America) and I own a '99 Terrano diesel (TD27ETi).
I also have that problem with mine; when I rev up from idle it stutters for a moment and shoots to max after blowing some xtra smoke from the back. Did you ever fix your problem?
I just joined so sorry for the late late reply
 

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chimmike said:
could be an exhaust leak or a turbo problem...............a bad glow plug doesn't necessarily mean it won't start either.
Depends on the ambient temperature. Glow plugs are only used during the start cycle, when the engine is cold and the fuel needs help with ignition. Its basically a version of a gas engine choke. Glow plugs are not used during normal operation. And in fact if the glow plug circuit is malfunctioning and does come on during normal engine operation it can cause severe engine damage due to fuel pre-ignition.
 

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Zen31ZR said:
Depends on the ambient temperature. Glow plugs are only used during the start cycle, when the engine is cold and the fuel needs help with ignition. Its basically a version of a gas engine choke. Glow plugs are not used during normal operation. And in fact if the glow plug circuit is malfunctioning and does come on during normal engine operation it can cause severe engine damage due to fuel pre-ignition.
Ok, and if these "hickups" at 2000 rpm occur even if the weather is normal (around 30 degrees celcius) and the engine is at normal operating temp, is it still normal? Or is there a malfunction somewhere.
 

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I have exactly the same behavior. I am sure my glow plugs are in perfect order. All filters and the oil changed.

I suspect MAF sensor, but I cannot be sure. It is expensive. 400Euros in my country, so I must be sure before I go and buy it.

Anyone? PLEASE?

Edit: How to clean MAF (air flow) sensor? Did you use some king of solvent or something, or just air? Or something else?
 

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Hi,

New member looking for some help.

My 1999 Terrano is suffering from power loss under acceleration and struggles up an incline. The MIL is not on.

I have endured MAF sensor failure (80k miles) and fuel pump failure (110k miles), and the power loss is not as bad as either of these faults, but rather just very sluggish. It still manages to reach 80+ mph on the level, but takes forever to get there.

Since the problem started, I have done a complete filter change and cleaned the mesh filter in front of the MAF sensor, but this has made no difference.

Does anybody have any ideas for me to have a look at, as I can't really afford another expensive garage bill!

Cheers for any help.
ok the nissan td2.7 has a hidden filter if you Look down the left side of the rad on the engine block you will see a 17mil banjo bolt remove bolt revove the spring and deep in the hole there is a very small filter take out and clean. when i had this problem the revs would not go up past 2500 and i would get a puff of white smoke come out the back .good Luck hope it works, oh it helps to undo the power steering beltand move the pump out of the way for ease of access.
 

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Hi all, want to share my own experience. With having the same symptoms and caterorically eliminating airflow sensor, spending some amount of $ on the crank sensor (which looked badly damaged when I bought the vehicle, but was still working) and also experimenting with diesel brands, cleaning the mentioned banjo bolt, computer checking for physical damage, wiring harnesses checking, reading through hundreds of pages of the service manual, analysing ECM error codes, I found the needle lift sensor damaged. I managed to repair the tiny coil insde against all advice and having the injector now at my diesel man to calibrate. It is a wonderful running 4*4, I owned the Terrano 1 some 12 yrs ago and I am pleased with the comfort of this one.
 

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Terrano Needle lift sensor

Hi fufu, can you elaborate on details of the actual way you repaired the sensor....anything on disassembly and components used would be great and a huge money saver for many.
 

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Hi I am brand new to the forum and mechanically hopeless :-( but I've joined hoping to get an idea of the problem I have and hope someone can help I've 1998 terrano 2.7 tdi which today has started sounded more like a tractor on steroids it seems the exhaust is failing at the manifold..... My question is could it be the exhaust manifold or possibly the turbo coz I've a loss of power and some slight blue smoke at low revs ????? Please please help an idiot :-D
 

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I had a similar fault no power maximum speed 100 KMH, turned out the cap on the end of the airflow sensor had come loose and rotated restricting how much air could flow through the sensor. I was quoted $1300 AUD for a new sensor prior to finding this. 2 Drops of super glue to put the cap back in the right placed fixed it.
 
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