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Common problem of Nissan injectors

Thousands of Nissan owners have to spend a lot of money to replace the bad fuel injectors. The main symptom is higher resistance of injectors which causes injectors' failure. I have several injectors with the exactly similar problem.

I just spent a few hours to disassemble a bad one and found the reason: a pool design of the injection between the solenoid coil and the output leg. Just a spot weld is applied to this contact surface and it is very easy to be broken at the early age; which will cause higher resistance or disconnection. This is not strange that some owners reported new injectors can only last several 10k miles and had to replace.

I would like to provide some pictures to illustrate my discovery if anyone has interesting.

Reply to
William Lin
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Any idea at what point year wise did this problem start. And if Nissan has taken any action to fix the problem. dk

Reply to
Dave Kind

I recently replaced two fuel injectors on my '95. The first one was under the manifold, the second right up front. I paid labour on the first, the dealer did the second for free labour. I paid $200.00 CAD for each injector and previously discounted and agreed to price, oherwse, full pin was $250.00 CAD.

I asked them if they thought that a fuel injector which is a very primitive piece of mechanics was really worth the price paid, they said yes, but said it was a high tech marvel. I wnet back the next day with an older 4GB disk drive open for them to examine the heads and various other things inside and asked the question again. I told them thye could purchase a 40GB drive today fro around $85.00 CAD. Maybe the auto industry needs a Bill Gates after all?

rtt

Reply to
Richard Tomkins

What does Bill Gates have to do with a price of a hard drive? If it was up to him, it sure wouldn't be $85 as he would be the only person you could buy one from!

Reply to
Steve

I replace one injector and just after couple of days another one broken again. Really painful.

Reply to
William Lin

Way off topic here but Bill Gates said a computer for every desk was his vision, it may have been for every person at one time. Ken Olsen, the president of my company, DEC, said snake oil, only large corporations require computers.

So, under Bill's model you make 100's of millions of computers, prices become lower for much of the computer material, monitors, disk drives, keyboard, etc...

Under Ken Olsen's vision, we build millions of computers and prices stay relatively high for the parts, disk drives remain at $1200.00 USD, monitors cost $2500.00 USD. Printers cost $15,000 USD for colour.

SO if there were an Automobile Bill Gates, with a vision like, 5 cars in every garage, fuel injectors might be $10.00 USD, their real value, and not an overloaded $250.00 USD.

Reply to
Richard Tomkins

That's why some (smarter) places recommend doing all the injectors at once. It's cheaper in the long run. Especially with the Nissan injectors that are known to fail

Reply to
Brian

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