Question about 2005 Nissan King Cab

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My 2.5dci Navara had an overheating problem some time ago. I had to replace a head gasket. In the mornings I battle to start her, the colder the worse she starts. My glowplugs are fine. When it is warmer, she starts fine. Could the overheating have made some rubber o rings hard, causing it to leak air? My fuel consumption is about 12km /l, so I dont think the injectors are to blame Any advice plse Bruce

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6ya6ya
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Posted on Jan 02, 2017

emissionwiz
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SOURCE: loud diesel knock nissan terrano II head just replaced.

This sounds like an injection pump issue or a dripping fuel injector, just because the injectors where serviced doesn't mean it still can't be an issue.

Posted on Nov 25, 2008

pal03246
  • 713 Answers

SOURCE: 2001 Nissan Altima with service engine light on

I would check your intake gasket. Get your self ome carb cleaner in a spray form/can and perfrom this test. Run the car and spray the carb cleaner on your intake gasket which is right by your injectors. So pretty nuch spray it at the injector rail and listen fot change in idle, If the idle changes, the intake gasket is torn and you are running lean, because of a vaccum leak. Common problem on your model car. Perform test and let me know what you find.

Posted on Jan 16, 2009

  • 202 Answers

SOURCE: Fuel injectors leak at fuel rail

Get some new O-rings, and this time put oil on them before you insert them into the fuel rail. The regulator is alright.The problem is that the o-rings can roll up, or twist when push em in dry. Had this problem once, easy fix, but was frustrating.

Posted on Mar 30, 2009

  • 104 Answers

SOURCE: 300zx leaking fuel injector

You need to lubricate the o ring prior to fitting the injector. Without the lubrication the injector does not slide into the fitting and can roll in the groove and get snagged and damaged. A thin film of engine oil will fix it but also check the sleeve where the injector sits in case it has a burr or was nicked during the removal process first time.

Posted on Sep 06, 2009

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jingB
  • 19 Answers

SOURCE: my nissan navara D22

Hi james, you might have air in your injection system. ussually this air pocket could be corrected by bleeding the system; or, your fuel filter is clogged. First the filter, if your fuel filter is directly attached to a hand pump, and your filter has a sendimentary bleed port at its bottom, drain this first. Then, after its drained, close the drain plug. Next is to look for the fuel return bolt on the injection pump(usually it has a "out" word etched on it) and usually uses a 17mm hexagonal head. Loosen the bolt and slowly remove it. Take care, and watch orientation of the two copper washers that are used for gasket. You might also find a filter screen attached to the bolt on some injection pumps. Anyways, if there is no filter screen, re-screw in the bolt(remember the copper washers) but do not tighten it just let it loose for a while. Now for the sweaty part, using the hand pump, pump  the fuel in until the return bolt spits out fuel. You will see bubbles on the first few pumps but do not stop until it bellows out pure and clear fuel w/o bubbles. If you attained the goal, stop pumping and screw the bolt shut. Wipe-off excess fuel from the injection pump. Try starting the engine. when the engine turns over let it warm up for a while the with, again, with your no. 17mm open wrench, try loosening the injector feedline one at a time(while the engine is running).Watch out for squirting fuel, your engine might rattle a little but it will be fine, just let the fuel flow a few seconds then re-tighten the nut. Do this on all 4 injectors. Let the engine run a few minutes then shut it down. Let it completely cool down then re-start it. Also try checking glow plug(or heater plug) condition. If one glow plug is busted replace all 4 at the same time with the same brand. this would help to keep the engine attain a 1-click engine run.

Hope this helps.
 

Posted on Sep 29, 2009

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