Hello dom i have a 2.9 Terracan with 90000 km and i was told that i have a problem with the injection system and that they have to change all the system : pump, injectors, tank is this normal ? thanks for your reply
I depends on what kind of problems you are having. The system consists of three main parts: 1) The 4 injectors, 2) The fuel rail and 3) the high pressure pump. Your problem can be pinpointed to any of them or all. Anyway, such repair calls for quilified technitians with proper tools and factory information on service. It may be expensive. BTW, the fuel tank has no reason to be replaced unless is cracked due to rust or accident. All components from tank can be repaired or replaced if needed.
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Yes it could be part of the problem. The way the fans work one turns on that's low setting then the other turn on high setting. Only one working will cause a vehicle to over heating. It doesn't allow enough air flow to cool down the engine. Do you know why the second fan isn't working. If the relay is bad replace it. If the fan is bad replace it
That code would have been "camshaft position sensor". They may have replaced the old one with a faulty new one, which might account for the blown fuses. Have them try unplugging it to see if it stops blowing fuses. If it does... have them replace that sensor again with another new one.
The replacement they used MIGHT not have even been NEW - it might have been salvaged from another vehicle... or they might have used the wrong one for your Terracan. How much do you trust that shop? You might have the Terracan towed to a different shop if you're not pretty confident about their competence.
I have been doing research on the Delphi pump and it apparently is associated with lucas/cav and as such is timed by the use of a dial test indicator that, through the use of a plunger and cam, runs on the cam block in the pump and determines when injection begins. Initial timing is to set the flywheel on the injection timing mark and the pump flange mark set on the timing case mark. To get it exact I would recommend that you have a diesel pump shop do the timing using the correct tools. As the pump is not electronic as such (from my research into Delphi ) it is basically a manual injector with a electronic controlled governor. Any way the best advice is to have a pump expert set the timing.
All 1.5dci engines (Renault, Dacia and Nissan) use Delphi fuel injector systems. These particular Delphi fuel pumps are very sensitive to the quality of diesel you use (oil quality and level in the engine seems to be a factor, too). Once the pump is damaged internally (partial or total seizure) fine metal dust from the pump gets into the system and damages one or more injectors. If you act early (while the engine still runs) you may get away with replacing the pump and the fuel filter. However, once the dust spreads around, you need to replace the entire fuel system, including the fuel tank. To prevent this from happenning (to a fuel pump that is not yet damaged) you need to use quality diesel with low sulphur content (diesel made out of Russian or Venezuelan oil have usually high sulphur content), diesel additives (STP, Castrol, Wynns or similar) and change engine oil and oil filter at least every 15,000km/12months (Nissan uses this shorter service interval and their 1.5 dci cars seem to have much less problems with fuel injection systems).
i would advise you take to a garage to have fault codes read. this could be a number of things. eg mass air flow meter, to catalytic converter. The best way to sort this is by interrogating the engines ECU.