Question about 2006 Chevrolet Express Passenger

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Will it last after replacing fuel injectors?

Looking at buying an Express 12 passenger. Some model years (according to reviews) have had recurrent problems with fuel injectors. "The cost to repair the Fuel Injectors on the right bank is estimated at $615.00 each for parts and $423.00 for labor for one fuel injector and $26.00 for each additional Fuel Injector. The cost to repair the Fuel Injectors on the left bank is estimated at $615.00 each for parts and $317.00 for labor for one fuel injector and $26.00 for each additional Fuel Injector." Would this be a one-time repair mostly likely or an ongoing problem? I don't mind the buying an older model, but I am concerned. Other model years mention same problem. Would a mechanic be able to tell if this work had been done already?

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Posted on Jan 02, 2017

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SOURCE: fuel injector 2000 chevrolet blazer

the part usually runs from 30 to 70 dollars just for the injector. labor differs from place to place with the average being about 100 bucks an hour

Posted on Jun 20, 2008

  • 1450 Answers

SOURCE: Question Regarding Fuel Injectors

IT IS POSSIBLE and has been done. as long as when you disable ign it does not cause pcm to disable injector pulse.when you first cut key on they will spray a shot also. it is also a good way to check for a leaking injector,see if one drips after sitting a while. however if you have fire with a noid light and injector is not hitting it is most likely a bad injector

Posted on Feb 05, 2009

  • 31 Answers

SOURCE: 85 s-10 2.5l no fuel from the injectors

electronic engine control unit calculates the mass of fuel to inject, not how wide it sprays. It's the type of solenoid that you use. Some have wider spray nzzles than others. An external Fuel pump helps the delivery of the fuel. Also since fuel injectors rely on mass air flows nowadays, you have to have proper mixture coming through. hows your Fuel pressure regulator?

The throttle position sensor reports to the computer the position of the throttle butterfly valve, which the ECM uses to calculate the load upon the engine-but inorder for this to run, you may need an external pump.

Sounds like nothing is being grounded back to the ECM to even give a reading. If your regulator is improper and you do not have a external pump (depending on your model), than check those. If not, Start from scratch.

If you ever lose your way, go back to the beginning_REWIRE!


Posted on Feb 16, 2009

  • 7 Answers

SOURCE: 90 k1500 tbi no fuel from injectors

from the sounds of it its going to be one of 3 things 1) the injector is bad or 2) there is no power getting to the injector 3) bad relay switch.

1) to find out if the injector is good. pull the injector out and with some wire ground one side and touch the other side to your battery, every time you tap the wire to the bat you should here the injector click..

2) if injector is good get a test light and test to see if power is coming out of the wires that go to injector( on some vehicles you have to have the motor turning over befor power is sent through wire, so have someone turn the key while you check the wires with test light)

Posted on Aug 15, 2009

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SOURCE: 1992 Chevy S10 blazer 4wd (4.3 TBI engine code Z).

Replace ECM

Posted on Aug 15, 2009

Testimonial: "Thank you for your expert recommendation - right on the mark."

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Fix a problem with not starting when car is hot i still turns over

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Without looking at it, If there is raw fuel anywhere up top this is what i would do:
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If no fuel leaks can be found in lines i would go straight for the injector seals but in noway would i let this stop me from buying the car if thats all thats wrong. even if an injector is cracked it is under $80.00 fix. here is a link showing the injector and o-ring position

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I need to know your vin?
I looked at online partsbook for your year--make--model and engine size, I looked up fuel injector, It showed the spider fuel system. That fuel system is noted for problems. At key on engine off, fuel pressure for that system is 60--66 psi. Once it is running it will run with less pressure. You may need to check fuel pressure, key on engine off--idling and under load. That fuel pressure sounds low to me?
I need more info about your fuel system?

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I have a problem no fuel to injectors changed pump checked spark fuel is right up to motor ,But injectors wont fire , how can I fix this ? Is ther a way to wire power to injectors seprat on a switch ,Or Is...

If you are not getting fuel to injectors, and you have a new fuel pump that is getting power and you can hear it run for a few seconds with the key on - engine off, then you most likely have either a plugged fuel filter or faulty fuel pressure regulator.

You can go to autozone, com and register for a free account. Then login, choose vehicle year, make, model, engine size. Lastly, click on view repair manual. Now you have a free repair manual for your car.

If you do not have power to the pump, check that the safety switch for the fuel pump didn't go off. Should be down my passenger or driver kick panel.

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Dont replace just one O ring on the injectors. You need to replace all when you replace them. It sounds like you still have O ring leaks.

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Hi and welcome to FixYa,

Offhand, to my knowledge, if it were the fuel pump then all of the injectors would be suffering from the same problem and not only two. Though the low pressure could affect the engine performance, again it would be common to all. Based on this, I am more inclined to suspect the engine management computer. It is responsible for triggering when the injectors will allow fuel to spray into the combustion chamber. Inside the computer box would be individual switching transistors for each of the injector. It is likely that the two for the two "erring" injectors are faulty. One way to check is with the use of a voltmeter. Each injector would have two (2) wires, one is always supplied with +12 when the engine is running, the other would be pulsating in accordance with the RPM. If the pulsating +12 is missing (either always +12 or always 0), then you have just confirmed a faulty computer.

Good luck and Thank you for using FixYa. Happy Holidays.

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